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The Early Evolution Of Archosaurs: Relationships And The Origin Of Major Clades

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Nesbitt, Sterling J. (2011): The Early Evolution Of Archosaurs: Relationships And The Origin Of Major Clades. Bulletin of the American Museum of Natural History 2011 (352): 1-292, DOI: 10.1206/352.1, URL: http://www.bioone.org/doi/abs/10.1206/352.1

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References

  • Abdala, F., and M. Allinson. 2005. The taxonomic status of Parathrinaxodon proops (Therapsida: Cynodontia), with comments on the morphology of the palate in basal cynodonts. Palaeontologia Africana 41: 45-52.
  • Agassiz, L. 1844. Monographie des poisons fossils du Vieux Gres Rouge ou Systeme Devonien (Old Red Sandstone) des Iles Britanniques et de Russie. Neuchatel: Jent et Gassman, 171 pp.
  • Alcober, O. 2000. Redescription of the skull of Saurosuchus galilei (Archosauria: Rauisuchidae). Journal of Vertebrate Paleontology 20: 302-316.
  • Alcober, O., and M.J. Parrish. 1997. A new poposaurid from the Upper Triassic of Argentina. Journal of Vertebrate Paleontology 17: 548-556.
  • Allen, D. 2003. When Terrestrisuchus gracilis reaches puberty it becomes Saltoposuchus connectens! Journal of Vertebrate Paleontology suppl. to 23: 29A pp.
  • Andres, B., J.M. Clark, and X. Xing. 2010. A new rhamphorhynchid pterosaur from the Upper Jurassic of China, and the phylogenetic relationships of basal pterosaurs. Journal of Vertebrate Paleontology 30: 163-187.
  • Archie, J.W. 1985. Methods for coding variable morphological features for numerical taxonomic analysis. Systematic Zoology 34: 326-345.
  • Archie, J.W. 1989. A randomization test for phylogenetic information in systematic data. Systematic Zoology 38: 239-252.
  • Arcucci, A.B. 1986. Nuevos materiales y reinterpretacion de Lagerpeton chanarensis Romer (Thecodontia, Lagerpetonidae nov.) del Triassic medio de La Rioja, Argentina. Ameghiniana 23: 233-242.
  • Arcucci, A.B. 1987. Un nuevo Lagosuchidae (Thecodontia-Pseudosuchia) de la fauna de Los Chanares (edad reptil Chanarense, Triasico Medio), La Rioja, Argentina. Ameghiniana 24: 89-94.
  • Arcucci, A.B. 1990. Un nuevo Proterochampsianae (Reptilia-Archosauriformes) de lar fauna local de los Chanares (Triasico medio) La Rioja, Argentina. Ameghiniana 27: 365-378.
  • Arcucci, A.B. 1997. Dinosauromorpha. In P.J. Currie and K. Padian (editors), Encyclopedia of Dinosaurs, 179-183. San Diego, CA: Academic Press.
  • Arcucci, A.B. 1998. New information about dinosaur precursors from the Triassic Los Chanares fauna, La Rioja, Argentina. Journal of African Earth Sciences 27: 9-10.
  • Arcucci, A.B. 2005. Una reevalucion de los dinosauriomorfos basales y el origen de Dinosauria. In A.W.A. Kellner, D.D.R. Henriques, and T. Rodriques (editors), Boletim de Resumos do II Congresso Latino-americano de Paleontologia de Vertebrados, 33 pp, Museu Nacional, Rio de Janeiro, Serie Livros 12, Rio de Janeiro.
  • Arcucci, A.B., and R.A. Coria. 2003. A new Triassic carnivorous dinosaur from Argentina. Ameghiniana 40: 217-228.
  • Arcucci, A.B., C.A. Marsicano, and A.T. Caselli. 2004. Tetrapod association and palaeoenvironment of the Los Colorados Formation (Argentina): a significant sample from western Gondwana at the end of the Triassic. Geobios 37: 557-568.
  • Azevedo, S.A., C.L. Schultz, and M.C. Barberena. 1990. Novas evidencias bioestratigraficas e paleoecologicas na analise da evolucao explosiva dos rincossauros do Triassico. Paula- Coutiana 4: 23-33.
  • Azevedo, S.A.K. 1991. Prestosuchus chiniquensis Huene 1942 (Reptilia, Archosauria, Thecodontia, Proterosuchia, Rauisuchidae), da Formacao Santa Maria, Triassico do Estado do Rio Grande do Sul, Brasil.
  • Bakker, R.T. 1986. The Dinosaur heresies. Avon: Bath Press, 481 pp.
  • Bakker, R.T., and P.M. Galton. 1974. Dinosaur monophyly and a new class of vertebrates. Nature 248: 168-172.
  • Ballew, K.L. 1989. A phylogenetic analysis of Phytosauria from the Late Triassic of the western United States. In S.G. Lucas and A.P. Hunt (editors), Dawn of the age of dinosaurs in the American Southwest, 309-339. Albuquerque: New Mexico Museum of Natural History and Science.
  • Barberena, M.C. 1978. A huge thecodont skull from the Triassic of Brazil. Pesquisas 7: 111-129.
  • Barberena, M.C., D.C. Araujo, and E.L. Lavina. 1985. Late Permian and Triassic tetrapods of southern Brazil. National Geographic Research and Exploration 1: 5-20.
  • Barsbold, R., and H. Osmolska. 1999. The skull of Velociraptor (Theropoda) from the Late Cretaceous of Mongolia. Acta Palaeontologica Polonica 44: 189-219.
  • Bennett, S.C. 1996. The phylogenetic position of the Pterosauria within Archosauromorpha. Zoological Journal of the Linnean Society 118: 261-308.
  • Bennett, S.C. 2007. Articulation and function of the pteroid bone of pterosaurs. Journal of Vertebrate Paleontology 27: 881-891.
  • Benton, M.J. 1983. Dinosaur success in the Triassic; a noncompetitive ecological model. The Quarterly Review of Biology 58: 29-55.
  • Benton, M.J. 1984. Classification and phylogeny of the diapsid reptiles. Philosophical Transactions of the Royal Society of London 302: 605-720.
  • Benton, M.J. 1985. Classification and phylogeny of the diapsid reptiles. Zoological Journal of the Linnean Society 84: 97-164.
  • Benton, M.J. 1986. The Late Triassic reptile Teratosaurus a rauisuchian not a dinosaur. Palaeontology 29: 293-301.
  • Benton, M.J. 1990a. Origin and interrelationships of dinosaurs. In D.B. Weishampel, P. Dobson, and H. Osmolska (editors), The Dinosauria: 11-30. Berkeley: University of California Press.
  • Benton, M.J. 1990b. Phylogeny of the major tetrapod groups: morphological data and divergence dates. Journal of Molecular Evolution 30: 409-424.
  • Benton, M.J. 1999. Scleromochlus taylori and the origin of dinosaurs and pterosaurs. Philosophical Transactions of the Royal Society of London Series B Biological Sciences 354: 1423-1446.
  • Benton, M.J. 2004. Origin and relationships of Dinosauria. In D.B. Weishampel, P. Dobson, and H. Osmolska (editors), Dinosauria. 2nd ed.: 7-24. Berkeley: University of California Press.
  • Benton, M.J., and J.M. Clark. 1988. Archosaur phylogeny and the relationships of the Crocodylia. In M.J. Benton (editor), The phylogeny and classification of the tetrapods. Vol. 1. Amphibians and reptiles, 295-338. Oxford: Clarendon Press.
  • Benton, M.J., and A.D. Walker. 2002. Erpetosuchus, a crocodile-like basal archosaur from the Late Triassic of Elgin, Scotland. Biological Journal of the Linnean Society 136: 25-47.
  • Bittencourt, J.S., and A.W.A. Kellner. 2005. The diagnosis of Staurikosaurus pricei Colbert, 1970 (Dinosauria, Theropoda). In A.W.A. Kellner, D.D.R. Henriques, and T. Rodrigues (editors), II Congresso Latino-Americano de Paleontologia de Vertebrados Boletim de Resumos, 51-52. Rio de Janeiro: Rio de Janeiro Museu Nacional.
  • Bonaparte, J.F. 1967. Dos nuevas ''faunas'' de reptiles Triasicos de Argentina. Gondwana Stratigraphy. I.U.G.S. Symposium: 283-306. Paris: UNESCO.
  • Bonaparte, J.F. 1969. Los tetrapodos Triasicos de Argentina. 1° International Symposium of Gondwana, 307-325. Paris: Mar del Plata.
  • Bonaparte, J.F. 1971. Los tetrapodos del sector superior de la Formacion Los Colorados, La Rioja, Argentina. (Triasico Superior) I parte. Opera Lilloana 22: 1-183.
  • Bonaparte, J.F. 1975. Nuevos materiales de Lagosuchus talampayensis Romer (Thecodontia, Pseudosuchia) y su significado en el origen de los Saurischia, Chanarense inferior, Triasico medio de Argentina. Acta Geologica Lilloana 13: 5-90.
  • Bonaparte, J.F. 1976. Pisanosaurus mertii Casimiquela and the origin of the Ornithischia. Journal of Paleontology 50: 808-820.
  • Bonaparte, J.F. 1981. Descripcion de Fasolasuchus tenax y su significado en la sistematica y evolucion de los Thecodontia. Revista del Museo Argentino de Ciencias Naturales ''Bernardino Rivadavia'' 3: 55-101.
  • Bonaparte, J.F. 1982. Classification of the Thecodontia. Geobios, Memoire Special 6: 99-112.
  • Bonaparte, J.F. 1984. Locomotion in rauisuchid thecodonts. Journal of Vertebrate Paleontology 3: 210-218.
  • Bonaparte, J.F., and J.E. Powell. 1980. A continental assemblage of tetrapods from the Upper Cretaceous beds of El Brete, northwestern Argentina (Sauropoda-Coelurosauria-Carnosauria-Aves). Memoires de la Societe Geologique de France 139: 19-28.
  • Bonaparte, J.F., Novas, F.E., and Coria, R.A. 1990. Carnotaurus sastrei Bonaparte, the horned, lightly built carnosaur from the Middle Cretaceous of Patagonia. Natural History Museum of Los Angeles County Contributions in Science 416: 1-41.
  • Borsuk-Bialynicka, M., E. Cook, S.E. Evans, and T. Maryanska. 1999. A microvertebrate assem- blage from the Early Triassic of Poland. Acta Palaeontologica Polonica 44: 167-188.
  • Botha, J., and R.M.H. Smith. 2006. Rapid vertebrate recuperation in the Karoo Basin of South Africa following the End-Permian extinction. Journal of African Earth Sciences 45: 502-514.
  • Boulenger, G.A. 1903. On reptilian remains from the Trias of Elgin. Philosophical Transactions of the Royal Society of London B 196: 175 pp.
  • Boyd, C.A., T.P. Cleland, N.L. Marrero, and J.A. Clarke. 2010. Exploring the effects of phylogenetic uncertainty and consensus trees on stratigraphic consistency scores: a new program and a standardized method proposed. Cladistics. DOI: 10.1111/j.1096-0031. 2010.00320.x
  • Brinkman, D. 1981. The origin of the crocodiloid tarsi and the interrelationships of thecodontian archosaurs. Breviora 464: 1-23.
  • Brinkman, D.B., and H.-D. Sues. 1987. A staurikosaurid dinosaur from the Upper Triassic Ischigualasto Formation of Argentina and the relationships of the Staurikosauridae. Palaeontology 30: 493-503.
  • Britt, B.B. 1993. Pneumatic postcranial bones in dinosaurs and other archosaurs. Ph.D. dissertation, University of Calgary, Alberta.
  • Brochu, C.A. 1992. Ontogeny of the postcranium in crocodylomorph archosaurs. MA thesis, Geological Sciences, University of Texas at Austin, Texas.
  • Brochu, C.A. 1996. Closure of neurocentral sutures during crocodilian ontogeny: implications for maturity assessment in fossil archosaurs. Journal of Vertebrate Paleontology 16: 49-62.
  • Brochu, C.A. 1999. Phylogenetics, taxonomy, and historical biogeography of Alligatoroidea. Journal of Vertebrate Paleontology 19 (suppl. to 2): 9-100.
  • Brochu, C.A. 2001. Progress and future directions in archosaur phylogenetics. Journal of Paleontology 75: 1185-1201.
  • Brochu, C.A. 2003. Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull. Journal of Vertebrate Paleontology 22 (suppl. to 4): 1-138.
  • Broom, R. 1903. On a new reptile (Proterosuchus fergusi) from the Karoo beds of Tarkastad, South Africa. Annals of the South African Museum 4: 159-164.
  • Broom, R. 1905. Notice of some new fossil reptiles from the Karroo beds of South Africa. Records of the Albany Museum 1: 331-337.
  • Broom, R. 1913. Note on Mesosuchus browni, Watson and on a new South African Triassic pseudosuchian (Euparkeria capensis). Records of the Albany Museum 2: 394-396.
  • Broom, R. 1925. On the origin of lizards. Proceedings of the Zoological Society of London 1925: 1-16.
  • Broom, R. 1927. On Sphenosuchus, and the origin of crocodiles. Proceedings of the Zoological Society of London 1927: 359-370.
  • Brown, B. 1933. An ancestral crocodile. American Museum Novitates 638: 1-4.
  • Brunner, H. 1977. Zur Stratigraphie und sedimentpetrographische des Unteren Keuper (Lettenkeuper, Trias) im nordlichen Baden-Wurttemberg. Jahresberichte und Mitteilungen des Oberrheinischen Geologischen Wvereins Neue Folge 59: 169-193.
  • Brunner, H. 1980. Zur Stratigraphie des Unteren Keupers (Lettenkeuper, Trias) im nordwestlichen Baden-Wurttemberg. Jahresberichte und Mitteilungen des Oberrheinischen Geologischen Wvereins Neue Folge 62: 207-216.
  • Brusatte, S.L., and P.C. Sereno. 2008. Phylogeny of Allosauridae (Dinosauria: Theropoda): comparative analysis and resolution. Journal of Systematic Palaeontology 6: 155-182.
  • Brusatte, S.L., M.J. Benton, M. Ruta, and F.T. Lloyd. 2008. Superiority, competition, and opportunism in the evolutionary radiation of dinosaurs. Science 321: 1485-1488.
  • Brusatte, S.L., R.J. Butler, T. Sulej, and G. Niedzwiedzki. 2009. The taxonomy and anatomy of rauisuchian archosaurs from the Late Triassic of Germany and Poland. Acta Palaeontologica Polonica 54: 221-230.
  • Brusatte, S.L., M.J. Benton, J.B. Desojo, and M.C. Langer. 2010. The higher-level phylogeny of Archosauria (Tetrapoda: Diapsida). Journal of Systematic Palaeontology 8: 3-47.
  • Buckland, W. 1829. Proceedings of the Geological Society of London 1: 1-127.
  • Busbey, A.B.I., and C.E. Gow. 1984. A new protosuchian crocodile from the Upper Elliot Formation of South Africa. Palaeontologia Africana 25: 127-149.
  • Butler, R.J. 2005. The 'fabrosaurid' ornithischian dinosaurs of the upper Elliot Formation (Lower Jurassic) of South Africa and Lesotho. Zoological Journal of the Linnean Society 145: 175-218.
  • Butler, R.J., L.B. Porro, and A.B. Heckert. 2006. A supposed heterodontosaurid tooth from the Rhaetian of Switzerland and a reassessment of the European Late Triassic record of Ornithischia (Dinosauria). Neues Jahrbuch fur Geologie und Palaontologie, Monatshefte 10: 613-633.
  • Butler, R.J., R.M.H. Smith, and D.B. Norman. 2007. A primitive ornithischian dinosaur from the Late Triassic of South Africa, and the early evolution and diversification of Ornithischia. Proceedings of the Royal Society of London B Biological Sciences 274: 2041-2046.
  • Butler, R.J., P. Upchurch, and D.B. Norman. 2008a. The phylogeny of the ornithischian dinosaurs. Journal of Systematic Palaeontology 6: 1-40.
  • Butler, R.J., L.B. Porro, and D.B. Norman. 2008b. A juvenile skull of the primitive ornithischian dinosaur Heterodontosaurus tucki from the 'Stormberg' of southern Africa. Journal of Vertebrate Paleontology 28: 702-711.
  • Butler, R.J., P.M. Barrett, R.L. Abel, and D.J. Gower. 2009. A possible ctenosauriscid archosaur from the Middle Triassic Manda Beds of Tanzania. Journal of Vertebrate Paleontology 29: 1022-1031.
  • Camp, C.L. 1930. A study of the phytosaurs with description of new material from western North America. Memoirs of the University of California 10: 1-160.
  • Camp, C.L. 1945. Prolacerta and the protorosaurian reptiles. Part 1. American Journal of Science 243: 17-32.
  • Cao, Y., M.D. Sorenson, Y. Kumazawa, D.P. Mindell, and M. Hasegawa. 2000. Phylogenetic position of turtles among amniotes: evidence from mitochondrial and nuclear genes. Gene 259: 139-148.
  • Carpenter, K. 1992. Tyrannosaurids (Dinosauria) of Asia and North America. In N.J. Mateer and P.-J. Chen (editors), Aspects of nonmarine Cretaceous geology, 250-268. Beijing: China Ocean Press.
  • Carrano, M.T. 2000. Homoplasy and the evolution of dinosaur locomotion. Paleobiology 26: 489-512.
  • Carrano, M.T., and J.R. Hutchinson. 2002. Pelvic and hindlimb musculature of Tyrannosaurus rex (Dinosauria: Theropoda). Journal of Morphology 253: 207-228.
  • Carrano, M.T., S.D. Sampson, and C.A. Forster. 2002. The osteology of Masiakasaurus knopfleri, a small abelisauroid (Dinosauria: Theropoda) from the Late Cretaceous of Madagascar. Journal of Vertebrate Paleontology 22: 510-534.
  • Carroll, R.L. 1988. Vertebrate paleontology and evolution. New York: W.H. Freeman, 698 pp.
  • Casamiquela, R.M. 1960. Notica preliminar sobre dos nuevos estagonolepideos Argentinos. Ameghiniana 2: 3-9.
  • Casamiquela, R.M. 1967. Un nuevo dinosaurio ornitisquio Triasico (Pisanosaurus mertii; Ornithopoda) de la Formacion Ischigualasto, Argentina. Ameghiniana 5: 47-64.
  • Case, E.C. 1929. Description of the skull of a new form of phytosaur with notes on the characters of described North American phytosaurs. Memoirs of the University of Michigan Museums, Museum of Paleontology 2: 1-56.
  • Casimiquela, R.M. 1967. Un nuevo dinosaurio ornitisquio Triasico (Pisanosaurus mertii; Ornithopoda) de la Formacion Ischigualasto, Argentina. Ameghiniana 5: 47-64.
  • Catuneanu, O., et al. 2005. The Karoo basins of south-central Africa. Journal of African Earth Sciences 43: 211-253.
  • Charig, A. 1967. Subclass Archosauria. In W.B. Hartland, C.H. Holland, M.R. House, N.F. Hughes, and A.B. Reynolds (editors), The fossil record: a symposium with documentation, 708-718. London: Geological Society of London.
  • Charig, A., and F.L.S. Reig. 1970. The classification of the Proterosuchia. Biological Journal of the Linnean Society 2: 125-171.
  • Charig, A.J. 1956. New Triassic archosaurs from Tanganyika including Mandasuchus and Teleocrater. Ph.D. dissertation, University of Cambridge, Chambridge, 503 pp.
  • Charig, A.J. 1976. Order Thecodontia Owen 1859. Handbuch der Palaoherpetologie 13: 7-10.
  • Charig, A.J., and H.-D. Sues. 1976. Proterosuchia. In O. Kuhn (editor), Handbuch der Palaoherpetologie, 11-39. Stuttgart: Gustav Fischer.
  • Chatterjee, S. 1978. A primitive parasuchid (phytosaur) reptile from the Upper Triassic Maleri Formation of India. Palaeontology 21: 83-127.
  • Chatterjee, S. 1982. Phylogeny and classification of thecodontian reptiles. Nature 295: 317-320.
  • Chatterjee, S. 1985. Postosuchus, a new thecodontian reptile from the Triassic of Texas and the origin of tyrannosaurs. Philosophical Transactions of the Royal Society of London B 309: 395-460.
  • Chatterjee, S. 1993. Shuvosaurus, a new theropod. National Geographic Research and Exploration 9: 274-285.
  • Chatterjee, S. 2001. Parasuchus hislopi Lydekker, 1885 (Reptilia, Archosauria): proposed replacement of the lectotype by a neotype. Bulletin of Zoological Nomenclature 58: 34-36.
  • Chatterjee, S., and P.K. Majumdar. 1987. Tikisuchus romeri, a new rauisuchid reptile from the Late Triassic of India. Journal of Paleontology 61: 784-793.
  • Chure, D.J., and J.H. Madsen. 1996. On the presence of furculae in some non-maniraptoran theropods. Journal of Vertebrate Paleontology 16: 573-577.
  • Clark, J.M. 1986. Phylogenetic relationships of the crocodylomorph archosaurs. 556 pp.
  • Clark, J.M. 1993. The laterosphenoid bone of early archosauriforms. Journal of Vertebrate Paleontology 13: 48-57.
  • Clark, J.M. 1994. Patterns of evolution in Mesozoic Crocodyliformes. In N.C. Fraser and H.-D. Sues (editors), In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods, 84-97. New York: Cambridge University Press.
  • Clark, J.M., and H.-D. Sues. 2002. Two new basal crocodylomorph archosaurs from the Lower Jurassic and the monophyly of the Sphenosuchia. Zoological Journal of the Linnean Society 136: 77-95.
  • Clark, J.M., X. Xing, C.A. Forster, and Y. Wang. 2004. A Middle Jurassic 'sphenosuchian' from China and the origin of the crocodylian skull. Nature 430: 1021-1024.
  • Clark, J.M., H.D. Sues, and D.S. Berman. 2000. A new specimen of Hesperosuchus agilis from the Upper Triassic of New Mexico and the interrelationships of basal crocodylomorph archosaurs. Journal of Vertebrate Paleontology 20: 683-704.
  • Clarke, J.A. 2004. Morphology, phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornthurae). Bulletin of the American Museum of Natural History 286: 1-179.
  • Colbert, E.H. 1947. Studies of the phytosaurs Machaeroprosopus and Rutiodon. Bulletin of the American Museum of Natural History 88 (2): 53-96.
  • Colbert, E.H. 1952. A pseudosuchian reptile from Arizona. Bulletin of the American Museum of Natural History 99 (10): 561-592.
  • Colbert, E.H. 1961. The Triassic reptile Poposaurus. Fieldiana 14: 59-78.
  • Colbert, E.H. 1970. A saurischian dinosaur from the Triassic of Brazil. American Museum Novitates 2405: 1-39.
  • Colbert, E.H. 1981. A primitive ornithischian dinosaur from the Kayenta Formation of Arizona. Museum of Northern Arizona Bulletin 53: 1-61.
  • Colbert, E.H. 1987. The Triassic reptile Prolacerta in Antarctica. American Museum Novitates 2882: 1-19.
  • Colbert, E.H. 1989. The Triassic dinosaur Coelophysis. Museum of Northern Arizona Bulletin 57: 1-174.
  • Colbert, E.H., and C.C. Mook. 1951. The ancestral crocodilian Protosuchus. Bulletin of the American Museum of Natural History 97 (3): 143-182.
  • Colbert, E.H., et al. 1992. Case 2840: Coelurus bauri Cope, 1887 (currently Coelophysis bauri; Reptilia, Saurischia): proposed replacement of the lectotype by a neotype. Bulletin of Zoological Nomenclature 49: 276-279.
  • Cope, E.D. 1887. The dinosaurian genus Coelurus. American Naturalist 21: 367-369.
  • Cope, E.D. 1889. On a new genus of Triassic Dinosauria. American Naturalist 23: 626.
  • Crompton, A.W., and A.J. Charig. 1962. A new ornithischian from Upper Triassic of South Africa. Nature 196: 1074-1077.
  • Crompton, A.W., and K.K. Smith. 1980. A new genus and species of crocodilian from the Kayenta Formation (Late Triassic?) of northern Arizona. In L.L. Jacobs (editor), Aspects of vertebrate history, 193-217. Flagstaff: Museum of Northern Arizona Press.
  • Cruickshank, A.R.I. 1972. The proterosuchian thecodonts. In K.A. Joysey and T.S. Kemp (editors), Studies in vertebrate evolution, 89-119. Edinburgh: Oliver and Boyd.
  • Cruickshank, A.R.I. 1979. The ankle joint in some early archosaurs. South African Journal of Science 75: 168-178.
  • Cruickshank, A.R.I., and M.J. Benton. 1985. Archosaur ankles and the relationships of the thecodontian and dinosaurian reptiles. Nature 317: 715-717.
  • Crush, P.J. 1984. A Late upper Triassic sphenosuchid crocodilian from Wales. Palaeontology 27: 131-157.
  • Curry, K.D., and R.M.N. Alexander. 1985. The thickness of the walls of tubular bones. Journal of Zoology 206: 453-468.
  • Dalla Vecchia, F.M. 2003. New morphological observations on Triassic pterosaurs. Geological Society of London Special Publication 217: 23-44.
  • Dalla Vecchia, F.M. 2009. The first Italian specimen of Austriadactylus cristatus (Diapsida, Pterosauria) from the Norian (Upper Triassic) of the Carnic Prealps. Rivista Italiana di Paleontologia e Stratigrafia 115: 291-304.
  • Daudin, F.M. 1801-1803. Histoire naturelle, generale et particuliere des reptiles. Vol. 1. Paris: F. Dufart, 384 pp.
  • Dawley, R.M., J.M. Zawiskie, and J.W. Cosgriff. 1979. A rauisuchid thecodont from the Upper Triassic Popo Agie Formation of Wyoming. Journal of Paleontology 53: 1428-1431.
  • Desojo, J.B., and A.B. Heckert. 2004. New information on the braincase and mandible of Coahomasuchus (Archosauria: Aetosauria) from the Otischalkian (Carnian) of Texas. Neues Jahrbuch fur Geologie und Palaeontologie Monatshefte 2004: 605-616.
  • Desojo, J.B., and A.M. Baez. 2005. El esqueleto postcraneano de Neoaetosauroides (Archosauria: Aetosauria) del Triasico Superior del centro-oeste de Argentina. Ameghiniana 42: 115-126.
  • Desojo, J.B., and A.M. Baez. 2007. Cranial morphology of the Late Triassic South American archosaur Neoaetosauroides engaeus: evi- dence of aetosaurian diversity. Palaeontology 50: 267-276.
  • Desojo, J.B., and O.W.M. Rauhut. 2008. New insights on ''rauisuchian'' taxa (Archosauria: Crurotarsi) from Brazil. Symposium of Vertebrate Palaeontology and Comparative Anatomy Annual Meeting (SVPCA) abstracts 2008 18-19. National Museum of Ireland.
  • Dilkes, D.W. 1998. The Early Triassic rhynchosaur Mesosuchus browni and the interrelationships of basal archosauromorph reptiles. Philosophical Transactions of the Royal Society of London Series B Biological Sciences 353: 501-541.
  • Dilkes, D.W., and H.-D. Sues. 2009. Redescription and phylogenetic relationships of Doswellia kaltenbachi (Diapsida: Archosauriformes) from the Upper Triassic of Virginia. Journal of Vertebrate Paleontology 29: 58-79.
  • Doyle, K.D., and H.-D. Sues. 1995. Phytosaurs (Reptilia: Archosauria) from the Upper Triassic New Oxford Formation of York County, Pennsylvania. Journal of Vertebrate Paleontology 15: 545-553.
  • Dzik, J. 2001. A new Paleorhinus fauna in the early Late Triassic of Poland. Journal of Vertebrate Paleontology 21: 625-627.
  • Dzik, J. 2003. A beaked herbivorous archosaur with dinosaur affinities from the early Late Triassic of Poland. Journal of Vertebrate Paleontology 23: 556-574.
  • Dzik, J., and T. Sulej. 2007. A review of the early Late Triassic Krasiejow biota from Silesia, Poland. Acta Palaeontologia Polonica 64: 1-27.
  • Emmons, E. 1856. Geological report of the midland counties of North Carolina. New York: G.P. Putnam, 352 pp.
  • Evans, S.E. 1988. The braincase of Prolacerta broomi (Reptilia, Triassic). Neues Jahrbuch fur Geologie und Palaeontologie Abhandlungen 173: 181-200.
  • Ewer, R.F. 1965. The anatomy of the thecodont reptile Euparkeria capensis Broom. Philosophical Transactions of the Royal Society of London Series B Biological Sciences 248: 379-435.
  • Ezcurra, M.D. 2006. A review of the systematic position of the dinosauriform archosaur Eucoelophysis baldwini Sullivan and Lucas, 1999 from the Upper Triassic of New Mexico, USA. Geodiversitas 28: 649-684.
  • Faith, D.P., and P.S. Cranston. 1991. Could a cladogram this short have arisen by chance alone? On permutation tests for cladistic structure. Cladistics 7: 1-28.
  • Ferigolo, J., and M.C. Langer. 2007. A Late Triassic dinosauriform from south Brazil and the origin of the ornithischian predentary bone. Historical Biology 19: 23-33.
  • Flynn, J.J., S.J. Nesbitt, J.M. Parrish, L. Ranivoharimanana, and A.R. Wyss. 2010. A new taxon of Azendohsaurus (Archosauromorpha, Diapsida, Reptilia) from the Triassic Isalo Group of southwest Madagascar: cranium. Palaeontology 53: 669-688.
  • Foster, J. 2007. Jurassic West. Indianapolis: Indiana University Press, 387 pp.
  • Fraas, O. 1877. Aetosaurus ferratus Fr. Die gepanzerte Vogel-Escheaus dem Stubensandstein bei Stuttgart. Wurttembergische naturwissenschaftliche Jahreshefte 33: 1-22.
  • Fraser, N.C., K. Padian, G.M. Walkden, and A.L.M. Davis. 2002. Basal dinosauriform remains from Britain and the diagnosis of the Dinosauria. Palaeontology 45: 79-95, et al.. Preto, M. Rigo, G. Roghi, P. Gianolla, J.L. Crowley, and S.A. Bowring. 2006. High-precision U-Pb zircon age from the Triassic of Italy: implications for the Triassic time scale and the Carnian origin of calcareous nannoplankton and dinosaurs. Geology 34: 1009-1012.
  • Galton, P.M. 1973. The cheeks of ornithischian dinosaurs. Lethaia 6: 67-89.
  • Galton, P.M. 1976. Prosauropod dinosaurs (Reptilia: Saurischia) of North America. Postilla 169: 1-98.
  • Galton, P.M. 1977. On Staurikosaurus pricei, an early saurischian dinosaur from the Triassic of Brazil, with notes on the Herrerasauridae and Poposauridae. Palaontologische Zeitschrift 51: 234-245.
  • Galton, P.M. 1978. Fabrosauridae, the basal family of ornithischian dinosaurs (Reptilia: Ornithopoda). Palaontologische Zeitschrift 52: 138-159.
  • Galton, P.M. 1985. The poposaurid thecodontian Teratosaurus suevicus V. Meyer plus referred specimens mostly based on prosauropod dinosaurs from the Middle Stubensandstein Upper Triassic of Nordwuerttemberg West Germany. Stuttgarter Beitraege zur Naturkunde Serie B (Geologie und Palaeontologie) 116: 1-29.
  • Galton, P.M. 2000. Are Spondylosoma and Staurikosaurus (Santa Maria Formation, Middle- Upper Triassic, Brazil) the oldest saurischian dinosaurs? Palaontologische Zeitschrift 74: 393-423.
  • Galton, P.M., A.M. Yates, and D. Kermack. 2007. Pantydraco n. gen. for Thecodontosaurus caducus Yates, 2003, a basal sauropodomorph dinosaur from the Upper Triassic or Lower Jurassic of South Wales, UK. Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 243: 119-125.
  • Gauthier, J., and K. Padian. 1985. Phylogenetic, functional, and aerodynamic analyses of the origin of birds and their flight. In J.H.O.M.K. Hecht, G. Viohl, and P. Wellnhofer (editors), The Beginning of Birds, 185-197. Eichstatt: Freunde des Jura Museums.
  • Gauthier, J.A. 1984. A cladistic analysis of the higher systematic categories of Diapsida. Ph.D. dissertation, University of California Berkeley, Berkeley, 564 pp.
  • Gauthier, J.A. 1986. Saurischian monophyly and the origin of birds. Memoirs of the California Academy of Science 8: 1-55.
  • Gauthier, J.A., A.G. Kluge, and T. Rowe. 1988. Amniote phylogeny and the importance of fossils. Cladistics 4: 105-209.
  • Gebauer, E.V.I. 2004. Neubeschreibung von Stagonosuchus nyassicus v. Huene, 1938 (Thecodontia, Rauisuchia) from the Manda Formation (Middle Triassic) of southwest Tanzania. Neues Jahrbuch fur Geologie und Palaeontologie, Abhandlungen 231: 1-35.
  • Gilmore, C.W. 1922. A new sauropod dinosaur from the Ojo Alamo Formation of New Mexico. Smithsonian Miscellaneous Collections 72: 1-9.
  • Gohlich, U.B., L.M. Chiappe, J.M. Clark, and H.- D. Sues. 2005. The systematic position of the Late Jurassic alleged dinosaur Macelognathus (Crocodylomorpha: Sphenosuchia). Canadian Journal of Earth Sciences 42: 307-321.
  • Goloboff, P., J. Farris, and K. Nixon. 2008. TNT: a free program for phylogenetic analysis. Cladistics 24: 774-786.
  • Goloboff, P.A., J.S. Farris, and K. Nixon. 2003. TNT: tree analysis using new technologies. Program and documentation available from the authors; Internet resource (http://www. zmuc.dk/public/phylogeny).
  • Gow, C.E. 1970. The anterior of the palate in Euparkeria. Palaeontologia Africana 13: 61-62.
  • Gow, C.E. 1975. The morphology and relationships of Youngina capensis Broom and Prolacerta broomi Parrington. Palaeontologia Africana 18: 89-131.
  • Gow, C.E. 2000. The skull of Protosuchus haughtoni, an Early Jurassic crocodyliform from southern Africa. Journal of Vertebrate Paleontology 20: 49-56.
  • Gower, D.J. 1996. The tarsus of erythrosuchid archosaurs (Reptilia), and implications for early diapsid phylogeny. Zoological Journal of the Linnean Society 116: 347-375.
  • Gower, D.J. 1997. The braincase of the early archosaurian reptile Erythrosuchus africanus. Journal of Zoology (London) 242: 557-576.
  • Gower, D.J. 1999. The cranial and mandibular osteology of a new rauisuchian archosaur from the Middle Triassic of southern Germany. Stuttgarter Beitraege zur Naturkunde Serie B (Geologie und Palaeontologie) 280: 1-49.
  • Gower, D.J. 2000. Rauisuchian archosaurs (Reptilia, Diapsida): an overview. Neues Jahrbuch fur Geologie und Palaontologie Abhandlungen 218: 447-488.
  • Gower, D.J. 2002. Braincase evolution in suchian archosaurs (Reptilia: Diapsida): evidence from the rauisuchian Batrachotomus kupferzellensis. Zoological Journal of the Linnean Society 136: 49-76.
  • Gower, D.J. 2003. Osteology of the early archosaurian reptile Erythrosuchus africanus Broom. Annals of the South African Museum 110: 1-84.
  • Gower, D.J., and A.G. Sennikov. 1996. Braincase morphology in early archosaurian reptiles. Palaeontology 39: 883-906.
  • Gower, D.J., and M. Wilkinson. 1996. Is there any consensus of basal archosaur phylogeny? Proceedings of the Royal Society of London B Biological Sciences 263: 1399-1406.
  • Gower, D.J., and A.G. Sennikov. 1997. Sarmatosuchus and the early history of the Archosauria. Journal of Vertebrate Paleontology 17: 60-73.
  • Gower, D.J., and E. Weber. 1998. The braincase of Euparkeria, and the evolutionary relationships of birds and crocodilians. Biological Reviews 73: 367-411.
  • Gower, D.J., and A.G. Sennikov. 2000. Early archosaurs from Russia. In M.J. Benton, M.A. Shishkin, D.M. Unwin, and E.N. Kurochkin (editors), The age of dinosaurs in Russia and Mongolia, 140-159. New York: Cambridge University Press.
  • Gower, D.J., and A.D. Walker. 2002. New data on the braincase of the aetosaurian archosaur (Reptilia: Diapsida) Stagonolepis robertsoni Agassiz. Zoological Journal of the Linnean Society 136: 7-23.
  • Gower, D.J., and S.J. Nesbitt. 2006. The braincase of Arizonasaurus babbitti-further evidence of the non-monophyly of Rauisuchia. Journal of Vertebrate Paleontology 26: 79-87.
  • Gower, D.J., and R. Schoch. 2009. Postcranial anatomy of the rauisuchian archosaur Batrachotomus kupferzellensis. Journal of Vertebrate Paleontology 29: 103-122.
  • Gradstein, F.M., J.G. Ogg, and A.G. Smith (editors). 2004.A geologic time scale 2004. Cambridge: Cambridge University Press, 610 pp.
  • Gregory, J.T. 1945. Osteology and relationships of Trilophosaurus. University of Texas Publication 4401: 273-359.
  • Gregory, J.T. 1962. The genera of phytosaurs. American Journal of Science 260: 652-690.
  • Hallam, A. 1960. A sedimentary and faunal study of the Blue Lias of Dorset and Glamorgan. Philosophical Transactions of the Royal Society of London B 243: 1-44.
  • Hammer, O., D.A.T. Harper, and P.D. Ryan. 2001. PAST: palaeontological statistics software package for education and data analysis. Palaeontologia Electronica 4: 1-9.
  • Hancox, P.J. 2000. The continental Triassic of South Africa. Zentralblatt fur Geologie und Palaontologie Teil I, Heft 11-12 1998: 1285-1324.
  • Haughton, S.H. 1915. A new thecodont from the Stormberg beds. Annals of the South African Museum 12: 98-105.
  • Haughton, S.H. 1924. On a new type of thecodont from the Middle Beaufort Beds. Annals of the Transvaal Museum 11: 93-97.
  • Hay, O.P. 1930. Second bibliography and catalogue of the fossil vertebrata of North America. Washington, DC: Carnegie Institution Publications, 1990 pp.
  • Heckert, A.B. 2002. A revision of the Upper Triassic ornithischian dinosaur Revueltosaurus, with a description of a new species. New Mexico Museum of Natural History and Science Bulletin 21: 253-266.
  • Heckert, A.B., and S.G. Lucas. 1998. First occurrence of Aetosaurus (Reptilia: Archosauria) in the Upper Triassic Chinle Group (USA) and its biochronological significance. Neues Jahrbuch fur Geologie und Palaeontologie Monatshefte 1998: 604-612.
  • Heckert, A.B., and S.G. Lucas. 1999. A new aetosaur (Reptilia: Archosauria) from the upper Triassic of Texas and the phylogeny of aetosaurs. Journal of Vertebrate Paleontology 19: 50-68.
  • Heckert, A.B., and S.G. Lucas. 2000. Taxonomy, phylogeny, biostratigraphy, biochronology, paleobiogeography, and evolution of the Late Triassic Aetosauria (Archosauria: Crurotarsi). Zentralblatt fur Geologie und Palaontologie, Teil I, Heft 11-12: 1539-1587.
  • Heckert, A.B., S.G. Lucas, L.F. Rinehart, and A.P. Hunt. 2008. A new genus and species of sphenodontian from the Ghost Ranch Coelophysis Quarry (Upper Triassic: Apachean), Rock Point Formation, New Mexico, USA. Palaeontology 51: 827-845.
  • Heckert, A.B., S.G. Lucas, R.M. Sullivan, A.P. Hunt, and J.A. Spielmann. 2005. The vertebrate fauna of the Upper Triassic (Revueltian: earlymid Norian) Painted Desert Member (Petrified Forest Formation: Chinle Group) in the Chama Basin, northern New Mexico. New Mexico Geological Society Guidebook 56: 302-318.
  • Hoffman, C.W., and P.E. Gallagher. 1989. Geology of the Southeast Durham and Southwest Durham 7.5-Minute Quadrangles, North Car- olina. North Carolina Geological Survey, Division of Land Resources, Bulletin 92: 1-34.
  • Holtz, T.R.J. 1994. The phylogenetic position of the Tyrannosauridae: implications for theropod systematics. Journal of Paleontology 68: 1100-1117.
  • Hone, D.W., and M.J. Benton. 2007. An evaluation of the phylogenetic relationships of the pterosaurs among archosauromorph reptiles. Journal of Systematic Palaeontology 5: 465- 469.
  • Huber, P., S.G. Lucas, and A.P. Hunt. 1993. Revised age and correlation of the Upper Triassic Chatham Group (Deep River Basin, Newark Supergroup), North Carolina. Southeastern Geology 33: 171-193.
  • Huene, F.v. 1907-1908. Die Dinosaurier der europaischen Triasformation mit Berucksichtigung der aussereuropaischen Vorkommnisse. Geologische und Palaontologische Abhandlungen Suppl. 1: 1-419.
  • Huene, F.v. 1911. Kurze Mitteilung uber Perm, Trias und Jura in New Mexico. Neues Jahrbuch fur Mineralogie, Geologie und Palaontologie 32: 730-739.
  • Huene, F.v. 1914. Beitrage zur Geschichte der Archosaurier. Geologische und Palaontologische Abhandlungen 13: 1-53.
  • Huene, F.v. 1920. Osteologie von Aetosaurus ferratus O.Fraas. Acta Zoologica 1: 465-491.
  • Huene, F.v. 1926. Vollstandige Osteologie eines Plateosauriden aus der schwabischen Trias. Geologishe und Palaontologishe Abhandlungen 15: 129-179.
  • Huene, F.v. 1936. Ubersicht uber die Zusammensetzung und Bedeutung der Thecodontia. Zentralblatt fur Mineralogie, Geologie und Palaontologie (B) 1936: 162-168.
  • Huene, F.v. 1938. Ein grosser Stagonolepide aus der jungeren Trias Ostafrikas. Neues Jahrbuch fur Geologie und Palaontologie, Abteilung B 80: 264-278.
  • Huene, F.v. 1939. Ein kleiner Pseudosuchier und ein Saurischier aus den ostafrikanischen Mandaschichten. Neues Jahrbuch fur Geologie und Palaontologie, Abteilung B 81: 61-69.
  • Huene, F.v. 1942. Die fossilen Reptilien des sudamerikanischen Gondwanalandes. Ergebnisse der Sauriergrabungen in Sudbrasilien, 1928/1929. Munich: C.H. Beck'sche Verlagsbuchhandlung, 332 pp.
  • Huene, F.v. 1950. Die Entstehung der Ornithischia schon fruh in der Trias. Neues Jahrbuch fur Geologie und Palaontologie Monatshefte 1950: 53-58.
  • Hugall, A., R. Foster, and M.S.Y. Lee. 2007. Calibration choice, rate smoothing, and the pattern of tetrapod diversification according to the long nuclear gene RAG-1. Systematic Biology 56: 543-563.
  • Hughes, B. 1963. The earliest archosaurian reptiles. South African Journal of Science 59: 221-241.
  • Hungerbuhler, A. 2000. Heterodonty in the European phytosaur Nicrosaurus kapffi and its implications for the taxonomy utility and functional morphology of phytosaur dentitions. Journal of Vertebrate Paleontology 20: 31-48.
  • Hungerbuhler, A. 2002. The Late Triassic phytosaur Mystriosuchus westphali, with a revision of the genus. Palaeontology 45: 377-418.
  • Hunt, A.P. 1989. A new ornithischian dinosaur from the Bull Canyon Formation (Upper Triassic) of east-central New Mexico. In S.G. Lucas and A.P. Hunt (editors), Dawn of the age of dinosaurs in the American Southwest, 355-358. Albuquerque: New Mexico Museum of Natural History.
  • Hunt, A.P., and S.G. Lucas. 1990. Re-evaluation of ''Typothorax meadei,'' a Late Triassic aetosaur from the United States. Palaontologische Zeitschrift 64: 317-328.
  • Hunt, A.P., and S.G. Lucas. 1991. A new aetosaur from the Redonda Formation (Late Triassic: middle Norian) of east-central New Mexico, U.S.A. Neues Jahrbuch fur Geologie und Palaeontologie Monatshefte 12: 728-736.
  • Hunt, A.P., and S.G. Lucas. 1993. A new phytosaur (Reptilia: Archosauria) genus from the uppermost Triassic of the western United States and its biochonological significance. In S.G. Lucas and M. Morales (editors), The nonmarine Triassic. New Mexico Museum of Natural History and Science Bulletin, 193-196. Albuquerque: New Mexico Museum of Natural History and Science.
  • Hunt, A.P., and S.G. Lucas. 1994. Ornithischian dinosaurs from the Upper Triassic of the United States. In N.C. Fraser and H.D. Sues (editors), In the shadow of the dinosaurs: early Mesozoic tetrapods, 227-241. New York: Cambridge University Press.
  • Hunt, A.P., S.G. Lucas, and J.A. Spielmann. 2005. The holotype specimen of Vancleavea campi from Petrified Forest National Park, Arizona, with notes on the taxonomy and distribution of the taxon. New Mexico Museum of Natural History and Science Bulletin 29: 59-66.
  • Hunt, A.P., A.B. Heckert, S.G. Lucas, and A. Downs. 2002. The distribution of the enigmatic reptile Vancleavea in the Upper Triassic Chinle Group of the western United States. New Mexico Museum of Natural History and Science Bulletin 21: 269-273.
  • Hunt, A.P., S.G. Lucas, A.B. Heckert, R.M. Sullivan, and M.G. Lockley. 1998. Late Triassic dinosaurs from the Western United States. Geobios 31: 511-531.
  • Hutchinson, J.R. 2001a. The evolution of pelvic osteology and soft tissues on the line to extant birds. Zoological Journal of the Linnean Society 131: 123-168.
  • Hutchinson, J.R. 2001b. The evolution of femoral osteology and soft tissue on the line to extant birds (Neornithes). Zoological Journal of the Linnean Society 131: 169-197.
  • Huxley, T.H. 1877. The crocodilian remains found in the Elgin sandstones, with remarks on ichnites of Cummingstone. Memoirs of the Geological Survey of the United Kingdom Monograph III 3: 1-51.
  • Hwang, S.H., M.A. Norell, J. Qiang, and G. Keqin. 2004. A large compsognathid from the Early Cretaceous Yixian Formation of China. Journal of Systematic Paleontology 2: 13-30.
  • Irmis, R.B., and R. Mundil. 2008. New age constraints from the Chinle Formation revise global comparisons of Late Triassic vertebrate assemblages. Journal of Vertebrate Paleontology 28 (suppl. to 3): 95A.
  • Irmis, R.B. 2007. Axial skeleton ontogeny in the parasuchia (Archosauria: Pseudosuchia) and its implications for ontogenetic determination in archosaurs. Journal of Vertebrate Paleontology 27: 350-361.
  • Irmis, R.B. 2008. Perspectives on the origin and early diversification of dinosaurs. Ph.D. Dissertation, Integrative Biology, University of California Berkeley, Berkeley, 434 pp.
  • Irmis, R.B., W.G. Parker, S.J. Nesbitt, and J. Liu. 2007a. Ornithischian dinosaurs: the Triassic record. Historical Biology 18: 3-22.
  • Irmis, R.B., et al. 2007b. A Late Triassic dinosauromorph assemblage from New Mexico and the rise of dinosaurs. Science 317: 358-361.
  • Jalil, N.-E., and K. Peyer. 2007. A new rauisuchian (Archosauria, Suchia) from the Upper Triassic of the Argana Basin, Morocco. Palaeontology 50: 417-430.
  • Janke, A., and U. Arnason. 1997. The complete mitochondrial genome of Alligator mississippiensis and the separation between recent Archosauria (birds and crocodiles). Molecular Biological Evolution 14: 1266-1272.
  • Janke, A., A. Gullberg, S. Hughes, R.K. Aggarwal, and U. Arnason. 2005. Mitogenomic analyses place the Gharial (Gavialis gangeticus) on the crocodile tree and provide pre-K/T divergence times for most crocodilians. Journal of Molecular Evolution 61: 620-626.
  • Jenkins, F.A., Jr., et al. 1994. Late Triassic continental vertebrates and depositional environments of the Fleming Fjord Formation, Jameson Land, east Greenland. Meddelelser om Gronland, Geoscience 32: 1-25.
  • Joyce, W., and J. Gauthier. 2006. A nearly complete skeleton of Poposaurus gracilis from the Late Triassic of Utah. Journal of Vertebrate Paleontology 26: 83A.
  • Juul, L. 1994. The phylogeny of basal archosaurs. Palaeontologia Africana 31: 1-38.
  • Kellner, A.W.A. 2003. Pterosaur phylogeny and comments on the evolutionary history of the group. Geological Society of London Special Publication 217: 105-137.
  • Kielan-Jaworowska, Z., and J. Hurum. 1997. Djadochtatheria-a new suborder of multituberculate mammals. Acta Palaeontologica Polonica 42: 201-242.
  • Kischlat, E.-E. 2002. Tecodoncios: a aurora dos Arcosaurios no Triassico. In M. Holz and L.E. De Ros (editors), Paleontologia do Rio Grande do Sol, 273-316. Porto Alegre: Edicao CIGO/ UFRGS.
  • Krebs, B. 1963. Bau und Funktion des tarsus eines pseudosuchiers aus der Trias des Monte San Giorgio (Kanton Tessin, Schweiz). Palaontologische Zeitschrift 37: 88-95.
  • Krebs, B. 1965. Die Triasfauna der Tessiner Kalkalpen. XIX. Ticinosuchus ferox, nov. gen. nov. sp. Ein neuer Pseudosuchier aus der Trias des Monte San Georgio. Schweizersiche Palaontologische, Abhandlungen 81: 1-140.
  • Krebs, B. 1973. Der Tarsus von Rauisuchus (Pseudosuchia, Mittel-Trias). Mitteilungen der Bayerischen Staatssammlung fur Palaontologie und historische Geologie 13: 95-101.
  • Krebs, B. 1974. Die Archosaurier. Die Naturwissenschaften 61: 17-24.
  • Langer, M.C. 2003. The pelvic and hindlimb anatomy of the stem-sauropod Saturnalia tupiniquim. PaleoBios 23: 1-40.
  • Langer, M.C. 2004. Basal saurischians. In D.B. Weishampel, P. Dodson, and H. Osmolska (editors), The Dinosauria, 2nd ed.: 25-46. Berkeley: University of California Press.
  • Langer, M.C. 2005a. Studies on continental Late Triassic tetrapod biochronology. II. The Ischigualastian and a Carnian global correlation. Journal of South American Earth Sciences 19: 219-239.
  • Langer, M.C. 2005b. Studies on continental Late Triassic tetrapod biochronology. I. The type locality of Saturnalia tupiniquim and the faunal succession in south Brazil. Journal of South American Earth Sciences 19: 205-218.
  • Langer, M.C., and M.J. Benton. 2006. Early dinosaurs: a phylogenetic study. Journal of Systematic Palaeontology 4: 309-358.
  • Langer, M.C., M.A.G. Franca, and S. Gabriel. 2007. The pectoral girdle and forelimb anatomy of the stem-sauropodomorph Saturnalia tupiniquim (Upper Triassic, Brazil). Special Papers in Palaeontology 77: 113-137.
  • Langer, M.C., F. Abdala, M. Richter, and M.J. Benton. 1999. A sauropodomorph dinosaur from the Upper Triassic (Carnian) of southern Brazil. Comptes Rendus de l'Academie des Sciences, Serie 2 Fascicule A, Sciences de la Terre et des Planetes 329: 511-517.
  • Langston, W.J. 1949. A new species of Paleorhinus from the Triassic of Texas. American Journal of Science 247: 324-341.
  • Laurenti, J.N. 1768. Specimen medicum, exhibens synopsin reptilium emendatam cum experimentis circa venena et antidota reptilium austriacorum. Vienna: J.T.N. de Trattnern, 214 pp.
  • Lawson, D.A. 1975. Pterosaur from the latest Cretaceous of West Texas: discovery of the largest flying creature. Science 187: 947-948.
  • Lehman, T., and S. Chatterjee. 2005. Depositional setting and vertebrate biostratigraphy of the Triassic Dockum Group of Texas. Journal of Earth Systems and Science 114: 325-351.
  • Li, C., X.-C. Wu, Y.-N. Cheng, T. Sato, and L. Wang. 2006. An unusual archosaurian from the marine Triassic of China. Naturwissenschaften 93: 200-206.
  • Linnaeus, C. 1758. Systema naturae per regna tria naturae. Vol. 1. Regnum animale. 10th [photographic facsimile] ed. Trustees, British Museum (Natural History), London, 823 pp.
  • Litwin, R.J., A. Traverse, and S.R. Ash. 1991. Preliminary palynological zonation of the Chinle Formation, southwestern U.S.A., and its correlation to the Newark Supergroup (eastern U.S.A.). Review of Palaeobotany and Palynology 68: 269-287.
  • Long, R.A., and P.A. Murry. 1995. Late Triassic (Carnian and Norian) tetrapods from the southwestern United States. New Mexico Museum of Natural History and Science Bulletin 4: 1-254.
  • Lucas, S.G. 1998a. Global Triassic tetrapod biostratigraphy and biochronology. Palaeogeography, Palaeoclimatology, Palaeoeocology 143: 347-384.
  • Lucas, S.G. 1998b. The aetosaur Longosuchus from the Triassic of Morocco and its biochronologic significance. Comptes Rendus de l'Academie des Sciences 326: 589-594.
  • Lucas, S.G. 1998c. Placerias (Reptilia, Dicynodontia) from the Upper Triassic of the Newark Supergroup, North Carolina, USA, and its biochronological significance. Neues Jahrbuch fur Geologie und Palaeontologie Monatshefte 1998: 432-448.
  • Lucas, S.G., and A.B. Heckert. 1996. Late Triassic aetosaur biochronology. Albertiana 17: 57-64.
  • Lucas, S.G., and P.J. Hancox. 2001. Tetrapodbased correlation of the nonmarine Upper Triassic of southern Africa. Albertiana 25: 5-9.
  • Lucas, S.G., A.P. Hunt, and R. Kahle. 1993. Late Triassic vertebrates from the Dockum Formation near Howard County, Texas. New Mexico Geological Society Guidebook 44: 237-244.
  • Lucas, S.G., J.A. Spielmann, and A.P. Hunt. 2007a. Biochronological significance of Late Triassic tetrapods from Krasiejow, Poland. In S.G. Lucas and J.A. Spielmann (editors), The global Triassic: 241-258. Albuquerque: New Mexico Museum of Natural History and Science.
  • Lucas, S.G., A.B. Heckert, and L.F. Rinehart. 2007b. A giant skull ontogenetic variation and taxonomic validity of the Late Triassic phytosaur Parasuchus. In S.G. Lucas and J.A. Spielmann (editors), The global Triassic, 222-228. Albuquerque: New Mexico Museum of Natural History and Science.
  • Lucas, S.G., J.A. Spielmann, and A.P. Hunt. 2007c. Taxonomy of Shuvosaurus, a Late Triassic archosaur from the Chinle Group, American Southwest. In S.G. Lucas and J.A. Spielmann (editors), The global Triassic, 259-261. Albuquerque: New Mexico Museum of Natural History.
  • Luo, Z., and X.-C. Wu. 1994. The small tetrapods of the Lower Lufeng Formation, Yunnan, China. In N.C. Fraser and H.-D. Sues (editors), In the shadow of the dinosaurs, 251-270. Cambridge: Cambridge University Press.
  • Luo, Z., and X.-C. Wu. 1995. Correlation of the vertebrate assemblage of the Lower Lufeng Formation, Yunnan, China. In A.-L. Sun (editor), 6th Symposium on Mesozoic Terrestrial Ecosystems and Biotas, Short Papers, 83-88. Beijing: China Ocean Press.
  • Lydekker, R. 1885. Maleri and Denwa Reptilia and Amphibia. Palaeontology Indica 1: 1-38.
  • Madsen, J.H. 1976. Allosaurus fragilis: a revised osteology. Utah Geological Survey Bulletin 109: 1-163.
  • Madsen, J.H., and S.P. Welles. 2000. Ceratosaurus (Dinosauria, Theropoda) a revised osteology. Utah Geological Survey Miscellaneous Publication 00-2: 1-80.
  • Makovicky, P.J. 1995. Phylogenetic aspects of the vertebral morphology of Coelurosauria (Dinosauria: Theropoda) University of Copenhagen, 283 pp.
  • Makovicky, P.J., and H.-D. Sues. 1998. Anatomy and phylogenetic relationships of the theropod dinosaur Microvenator celer from the Lower Cretaceous of Montana. American Museum Novitates 3240: 1-27.
  • Marsh, O.C. 1877. Notice on new dinosaurian reptiles. American Journal of Science (3) 14: 514-516.
  • Marsh, O.C. 1881. Principal characters of American Jurassic dinosaurs. American Journal of Science (3) 21: 417-423.
  • Marsh, O.C. 1884. The classification and affinities of dinosaurian reptiles. Nature 31: 68-69.
  • Marsh, O.C. 1889. Notice of gigantic horned Dinosauria from the Cretaceous. American Journal of Science 38: 173-175.
  • Martz, J.W., and B. Small. 2006. Tecovasuchus chatterjeei, a new aetosaur (Archosauria: Stagonolepididae) from the Tecovas Formation (Carnian, Upper Triassic) of Texas. Journal of Vertebrate Paleontology 26: 308-320.
  • Mehl, M.G. 1915. Poposaurus gracilis, a new reptile from the Triassic of Wyoming. Journal of Geology 23: 516-522.
  • Mehl, M.G. 1928. Pseudopalatus pristinus, a new genus and species of phytosaurs from Arizona. University of Missouri Studies 3: 1-22.
  • Merrem, B. 1820. Versuch eines Systems der Amphibien. Iohann Marburg: Christian Krieger, 412 pp.
  • Meyer, H.v. 1837. Mitteilung an Prof. Bronn (Message to Prof. Bronn). Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 1837: 316.
  • Meyer, H.v. 1861. Reptilien aus dem Stubensandstein des obern Keupers. Palaeontographica, A 6: 253-346.
  • Modesto, S.P., and H.-D. Sues. 2004. The skull of the Early Triassic archosauromorph Prolacerta broomi and its phylogenetic significance. Zoological Journal of the Linnean Society 140: 335-351.
  • Modesto, S.P., and J. Botha-Brink. 2008. Evidence of a second, large archosauriform reptile in the Lower Triassic Katberg Formation of South Africa. Journal of Vertebrate Paleontology 28: 914-917.
  • Muller, J., and R.R. Reisz. 2005. Four wellconstrained calibration points from the vertebrate fossil record for molecular clock estimates. BioEssays 27: 1069-1075.
  • Mundil, R., K.R. Ludwig, I. Metcalfe, and P.R. Renne. 2004. Age and timing of the Permian mass extinctions: U/Pb dating of closed-system zircons. Science 305: 1760-1763.
  • Mundil, R., G. Gehrels, A.L. Deino, and R.B. Irmis. 2008. Zircon U-Pb analyses by TIMS and LA-ICPMS on the same material. Eos Transactions AGU 89 (53, Fall Meeting Supplement): abstract V13A-2108.
  • Mundil, R., J. Palfy, P.R. Renne, and P. Brack. 2010. The Triassic time scale: new constraints and a review of geochronological data. In S.G. Lucas (editor), The Triassic timescale, 41-60. London: Geological Society of London.
  • Muttoni, G., et al. 2004. Tethyan magnetostratigraphy from Pizzi Mondello (Sicily) and correlation to the Late Triassic Newark astrochronological polarity time scale. Geological Society of America Bulletin 116: 1043-1058.
  • Muttoni, G., D.V. Kent, F. Jadoul, P.E. Olsen, and M. Rigo. 2010. Rhaetian magneto-biostratigraphy from the southern Alps (Italy): constraints on Triassic chronology. Palaeogeography, Palaeoclimatology, Palaeoeocology 285: 1-16.
  • Nash, D. 1968. A crocodile from the Upper Triassic of Lesotho. Journal of Zoology, London 256: 163-179.
  • Nash, D. 1975. The morphology and relationships of a crocodilian, Orthosuchus strombergi, from the Upper Triassic of Lesotho. Annals of the South African Museum 67: 227-329.
  • Nesbitt, S.J. 2003. Arizonasaurus and its implications for archosaur divergences. Proceedings of the Royal Society of London B Biological Sciences 270 (suppl. 2): S234-S237.
  • Nesbitt, S.J. 2005a. The osteology of the Middle Triassic pseudosuchian archosaur Arizonasaurus babbitti. Historical Biology 17: 19-47.
  • Nesbitt, S.J. 2005b. A new archosaur from the upper Moenkopi Formation (Middle Triassic) of Arizona and its implications for rauisuchian phylogeny and diversification. Neues Jahrbuch fur Geologie und Palaeontologie Monatshefte 2005: 332-346.
  • Nesbitt, S.J. 2007. The anatomy of Effigia okeeffeae (Archosauria, Suchia), theropod convergence, and the distribution of related taxa. Bulletin of the American Museum of Natural History 302: 1-84.
  • Nesbitt, S.J. 2009. The early evolution of archosaurs: relationships and the origin of major clades. Ph.D. dissertation, Earth and Environmental Sciences, Columbia University, New York, 675 pp.
  • Nesbitt, S.J., and M.A. Norell. 2006. Extreme convergence in the body plans of an early suchian (Archosauria) and ornithomimid dinosaurs (Theropoda). Proceedings of the Royal Society of London B Biological Sciences 273: 1045-1048.
  • Nesbitt, S.J., and S. Chatterjee. 2008. Late Triassic dinosauriforms from the Post Quarry and surrounding areas, west Texas, U.S.A. Neues Jahrbuch fur Geologie und Palaeontologie Abhandlungen 2008: 143-156.
  • Nesbitt, S.J., and M.R. Stocker. 2008. The vertebrate assemblage of the Late Triassic Canjilon Quarry (northern New Mexico, USA), and the importance of apomorphy-based assemblage comparisons. Journal of Vertebrate Paleontology 28: 1063-1072.
  • Nesbitt, S.J., R.B. Irmis, and W.G. Parker. 2005. Character support for Dinosauria: new insights from crocodile-line archosaurs and Late Triassic North American ''Theropods''. In A.W.A. Kellner, D.D.R. Henriques, and T. Rodriques (editors), Boletim de Resumos do II Congresso Latino-americano de Paleontologia de Vertebrados, 190-191, Museu Nacional, Rio de Janeiro, Serie Livros 12, Rio de Janeiro.
  • Nesbitt, S.J., R.B. Irmis, and W.G. Parker. 2007. A critical re-evaluation of the Late Triassic dinosaur taxa of North America. Journal of Systematic Palaeontology 5: 209-243.
  • Nesbitt, S.J., R.B. Irmis, S.G. Lucas, and A.P. Hunt. 2005. A giant crocodylomorph from the upper Triassic of New Mexico. Palaeontologische Zeitschrift 79/4: 471-478.
  • Nesbitt, S.J., A.H. Turner, G.M. Erickson, and M.A. Norell. 2006. Prey choice and cannialistic behaviour in the theropod Coelophysis. Biology Letters 2: 611-614.
  • Nesbitt, S.J., M.R. Stocker, B. Small, and A. Downs. 2009a. The osteology and relationships of Vancleavea campi (Reptilia: Archosauriformes). Zoological Journal of the Linnean Society 157: 814-864.
  • Nesbitt, S.J., et al. 2009b. Hindlimb osteology and distribution of basal dinosauromorphs from the Late Triassic of North America. Journal of Vertebrate Paleontology 29: 498-516.
  • Nesbitt, S.J., et al. 2009c. A complete skeleton of a Late Triassic saurischian and the early evolution of dinosaurs. Science 326: 1530-1533.
  • Nesbitt, S.J., et al. 2009d. The theropod furcula. Journal of Morphology 270: 856-879.
  • Nesbitt, S.J., et al. 2010. Ecologically distinct dinosaurian sister-group shows early diversification of Ornithodira. Nature 464: 95-98.
  • Newton, E.T. 1894. Reptiles from the Elgin sandstone-description of two new genera. Philosophical Transactions of the Royal Society of London B Biological Sciences 185: 573- 607.
  • Nopsca, F.v. 1921. Zur systematischen Stellung von Poposaurus (Mehl). Zentralblatt fur Mineralogie, Geologie und Palaontologie 1921: 348 pp.
  • Nopsca, F.v. 1923. Die Familien der Reptilien. Fortschritte der Geologie und Palaontologie 2: 1-210.
  • Norell, M.A., and P.J. Makovicky. 1997. Important features of the dromaeosaur skeleton: information from a new specimen. American Museum Novitates 3215: 1-28.
  • Norell, M.A., and P.J. Makovicky. 1999. Important features of the dromaeosaur skeleton II: information from newly collected specimens of Velociraptor mongoliensis., 3282: 1-45.
  • Norell, M.A., and M.J. Novacek. 1992. The fossil record and evolution: comparing cladistics and paleontological evidence for vertebrate history. Science 255: 1690-1693.
  • Norell, M.A., J.M. Clark, and P.J. Makovicky. 2001. Phylogenetic relationships among coelurosaurian theropods. In J. Gauthier and L.F. Gall (editors), New perspectives on the origin and early evolution of birds: proceedings of the International Symposium in Honor of John H. Ostrom, 49-67. New Haven, CT: Peabody Museum of Natural History.
  • Norman, D.B. 1984. A systematic reappraisal of the reptile order Ornithischia. In W.-E. Reif and F. Westphal (editors), Third symposium on Mesozoic terrestrial ecosystems, short papers, 157-162. Tubingen: Attempto Verlag.
  • Norman, D.B., L.M. Witmer, and D.B. Weishampel. 2004. Basal Ornithischia. In D.B. Weishampel, P. Dodson, and H. Osmolska (editors), The Dinosauria, 2nd ed.: 325-334. Berkeley: University of California Press.
  • Novak, S.E. 2004. A new specimen of Postosuchus from the Late Triassic Coelophysis Quarry, siltstone member, Chinle Formation, Ghost Ranch, New Mexico. M.S. thesis, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 78 pp.
  • Novas, F.E. 1989. The tibia and tarsus in Herrerasauridae (Dinosauria, incertae sedis) and the origin and evolution of the dinosaurian tarsus. Journal of Paleontology 63: 677-690.
  • Novas, F.E. 1992. Phylogenetic relationships of basal dinosaurs, the Herrerasauridae. Palaeontology 63: 51-62.
  • Novas, F.E. 1994. New information on the systematics and postcranial skeleton of Herrerasaurus ischigualastensis (Theropoda: Herrerasauridae) from the Ischigualasto Formation (Upper Triassic) of Argentina. Journal of Vertebrate Paleontology 13: 400-423.
  • Novas, F.E. 1996. Dinosaur monophyly. Journal of Vertebrate Paleontology 16: 723-741.
  • O'Connor, P.M. 2004. Pulmonary pneumaticity in the postcranial skeleton of extant Aves: a case study examining Anseriformes. Journal of Morphology 261: 141-161.
  • O'Connor, P.M., and L.P.A.M. Claessens. 2005. Basic avian pulmonary design and flow-through ventilation in non-avian theropod dinosaurs. Nature 436: 253-256.
  • O'Leary, M.A., and S.G. Kuaufman. 2007. MorphoBank 2.5: web application for morphological phylogenetics and taxonomy (http://www. morphobank.org).
  • Olsen, P.E., and P.M. Galton. 1984. A review of the reptile and amphibian assemblages from the Stormberg of southern Africa, with special emphasis on the footprints and the age of the Stormberg. Palaeontologia Africana 25: 87-110.
  • Olsen, P.E., and P. Huber. 1997. Stop 3: Triangle Brick Quarry. In T.W. Clark (editor), TRIBI: Triassic Basin Initiative, Abstracts with Programs and Field Trip Guidebook: 22-29. Durham, NC: Duke University.
  • Olsen, P.E., H.-D. Sues, and M.A. Norell. 2000. First record of Erpetosuchus (Reptilia: Archosauria) from the Late Triassic of North America. Journal of Vertebrate Paleontology 20: 633-636.
  • Organ, C.L., R.G. Moreno, and S.V. Edwards. 2008. Three tiers of genome evolution in reptiles. Integrative and Comparative Biology 48: 494-504.
  • Osborn, H.F. 1924. Three new Theropoda, Protoceratops zone, Central Mongolia. American Museum Novitates 144: 1-12.
  • Ostrom, J.H. 1971. On the systematic position of Macelognathus vagans. Postilla 153: 1-10.
  • Owen, R. 1842. Report on British fossil reptiles. Report of the British Association for the Advancement of Science 11: 60-204.
  • Owen, R. 1850. On the communications between the cavity of the tympanum and the palate in Crocodilia (gavials, alligators, and crocodiles). Philosophical Transactions of the Royal Society of London 27: 521-527.
  • Owen, R. 1859. Palaeontology. Encyclopedia Britannica 17: 91-176.
  • Owen, R. 1870. A monograph of the fossil Reptilia of the Liassic Formations. Part III. Monograph of the Palaeontographic Society 27: 41-81.
  • Padian, K. 1983. Osteology and functional morphology of Dimorphodon macronyx (Buckland) (Pterosauria: Rhamphorhynchoidea) based on new material in the Yale Peabody Museum. Postilla 189: 1-44.
  • Padian, K. 1984. The origin of the pterosaurs. In W.E. Reif and F. Westphal (editors), Third symposium on Mesozoic terrestrial ecosystems, short papers, 163-168. Tubingen: Attempto Verlag, Tubingen University Press.
  • Padian, K. 1986. On the type material of Coelophysis (Saurischia: Theropoda), and a new specimen from the Petrified Forest of Arizona (Late Triassic, Chinle Formation). In K. Padian (editor), The beginning of the age of dinosaurs, 45-60. Cambridge: Cambridge University Press.
  • Padian, K. 1990. The ornithischian form genus Revueltosaurus from the Petrified Forest of Arizona (Late Triassic: Norian; Chinle Forma- tion). Journal of Vertebrate Paleontology 10: 268-269.
  • Padian, K. 1997. Pterosauromorpha. In P.J. Currie and K. Padian (editors), Encyclopedia of dinosaurs: 617-618. San Diego: Academic Press.
  • Padian, K. 2009. Were pterosaur ancestors bipedal or quadrupedal? Morphometric, functional and phylogenetic considerations. Zitteliana B 28: 21-33.
  • Padian, K., and C.L. May. 1993. The earliest dinosaurs. New Mexico Museum of Natural History and Science Bulletin 3: 379-381.
  • Padian, K., and L.M. Chiappe. 1998. The origin and early evolution of birds. Biological Reviews 73: 1-42.
  • Padian, K., J.R. Hutchinson, and T.R. Holtz, Jr. 1999. Phylogenetic definitions and nomenclature of the major taxonomic categories of the carnivorous Dinosauria (Theropoda). Journal of Vertebrate Paleontology 19: 69-80.
  • Parker, W.G. 2003. Description of a new specimen of Desmatosuchus haplocerus from the Late Triassic of northern Arizona. M.S. thesis, Northern Arizona University, Flagstaff, 312 pp.
  • Parker, W.G. 2005. A new species of the Late Triassic aetosaur Desmatosuchus (Archosauria: Pseudosuchia). Compte Rendus Palevol 4: 327-340.
  • Parker, W.G. 2007. Reassessment of the Aetosaur 'Desmatosuchus ' chamaensis with a reanalysis of the phylogeny of the Aetosauria (Archosauria: Pseudosuchia). Journal of Systematic Palaeontology 5: 41-68.
  • Parker, W.G. 2008. Description of new material of the aetosaur Desmatosuchus spurensis (Archosauria: Suchia) from the Chinle Formation of Arizona and a revision of the genus Desmatosuchus. Paleobios 28: 1-40.
  • Parker, W.G., and R.B. Irmis. 2005. Advances in Late Triassic vertebrate paleontology based on new material from Petrified Forest National Park, Arizona. In A.B. Heckert and S.G. Lucas (editors), Vertebrate paleontology in Arizona 29: 45-58. Albuquerque: New Mexico Museum of Natural History and Science.
  • Parker, W.G., and B.J. Barton. 2008. New information on the Upper Triassic archosauriform Vancleavea campi based on new material from the Chinle Formation of Arizona. Palaeontologia Electronica 11: 1-20.
  • Parker, W.G., and J.W. Martz. 2010. Using positional homology in aetosaur (Archosauria: Pseudosuchia) osteoderms to evaluate the taxonomic status of Lucasuchus hunti. Journal of Vertebrate Paleontology 30: 1100-1108.
  • Parker, W.G., R.B. Irmis, S.J. Nesbitt, J.W. Martz, and L.S. Browne. 2005. The Late Triassic pseudosuchian Revueltosaurus callen- deri and its implications for the diversity of early ornithischian dinosaurs. Proceedings of the Royal Society of London B Biological Sciences 272: 963-969.
  • Parrington, F.R. 1935. On Prolacerta broomi, gen. et sp. n. and the origin of lizards. Annals and Magazine of Natural History 16: 197-205.
  • Parrish, J.M. 1986. Locomotor adaptations in the hindlimb and pelvis of the Thecodontia. Hunteria 1: 1-35.
  • Parrish, J.M. 1991. A new specimen of an early crocodylomorph (cf. Sphenosuchus sp.) from the Upper Triassic Chinle Formation of Petrified Forest National Park, Arizona. Journal of Vertebrate Paleontology 11: 198-212.
  • Parrish, J.M. 1992. Phylogeny of the Erythrosuchidae. Journal of Vertebrate Paleontology 12: 93-102.
  • Parrish, J.M. 1993. Phylogeny of the Crocodylotarsi, with reference to archosaurian and crurotarsan monophyly. Journal of Vertebrate Paleontology 13: 287-308.
  • Parrish, J.M. 1994. Cranial osteology of Longosuchus meadei and the phylogeny and distribution of the Aetosauria. Journal of Vertebrate Paleontology 14: 196-209.
  • Peng, J.-H. 1991. A new genus of Proterosuchia from the Lower Triassic of Shaanxi, China. Vertebrata Palasiatica 29: 95-107.
  • Pereira, S.L., and A.J. Baker. 2006. A mitogenomic timescale for birds detects variable phylogenetic rates of molecular evolution and refutes the standard molecular clock. Molecular Biological Evolution 23: 1731-1740.
  • Peters, D. 2000. A reexamination of four prolacertiforms with implications for pterosaur phylogenesis. Rivista Italiana di Paleontologia e Stratigrafia 106: 293-336.
  • Peterson, F., and G.N. Pipiringos. 1979. Stratigraphic relations of the Navajo Sandstone to Middle Jurassic formations, southern Utah and northern Arizona. U.S. Geological Survey Professional Paper 1035-B: 1-43.
  • Peyer, K., J.G. Carter, H.-D. Sues, S.E. Novak, and P.E. Olsen. 2008. A new suchian archosaur from the Upper Triassic of North Carolina. Journal of Vertebrate Paleontology 28: 363- 381.
  • Pinna, G., and P. Arduini. 1978. Un nuevo esemplare di Ticinosuchus ferox Krebs, rinvenuto nel giacimento Triassico di Besano. Natura, Societa Italiana di Scienze Naturali, Milano 69: 73-80.
  • Platnick, N.I., C.E. Griswold, and J.A. Coddington. 1991. On missing entries in cladistic analysis. Cladistics 7: 337-344.
  • Pol, D. 2004. Phylogenetic relationships of the basal Sauropodomorpha. Ph.D. dissertation, Earth and Environmental Sciences, Columbia University, New York, 303 pp.
  • Pol, D., and M.A. Norell. 2001. Comments on the Manhattan stratigraphic measure. Cladistics 17: 285-289.
  • Pol, D., and M.A. Norell. 2004. A new gobiosuchid crocodyliform taxon from the Cretaceous of Mongolia. American Museum Novitates 3458: 1-31.
  • Pol, D., and M.A. Norell. 2006. Uncertainty in the age of fossil and stratigraphic fit to phylogenies. Systematic Biology 55: 512-521.
  • Pol, D., A.H. Turner, and M.A. Norell. 2009. Morphology of the Late Cretaceous crocodylomorph Shamosuchus djadochtaensis and a discussion of neosuchian phylogeny as related to the origin of Eusuchia. Bulletin of the American Museum of Natural History 324: 1-103.
  • Pol, D., S.-a. Ji, J.M. Clark, and L.M. Chiappe. 2004. Basal crocodyliforms from the Lower Cretaceous Tugulu Group (Xinjiang, China), and the phylogenetic position of Edentosuchus. Cretaceous Research 25: 603-622.
  • Price, L.I. 1946. Sobre um novo pseudosuchio do Triassico superior do Rio Grande do Sul. Boletin da Divisao de Geologica e Mineralogica 120: 7-39.
  • Raath, M.A. 1969. A new coelurosaurian dinosaur from the Forest Sandstone of Rhodesia. Arnoldia 28: 1-25.
  • Rauhut, O.W.M. 1997. Zur Schadelanatomie von Shuvosaurus inexpectatus (Dinosauria; Therapoda). In S. Sachs, O.W.M. Rauhut, and A. Weigert (editors), Treffen der deutschsprachigen Palaeoherpetologen, 17-21. Dusseldorf
  • Rauhut, O.W.M. 2003. The interrelationships and evolution of basal theropod dinosaurs. Special Papers in Palaeontology 69: 1-214.
  • Rauhut, O.W.M. 2004. Braincase structure of the Middle Jurassic theropod dinosaur Piatnitzkysaurus. Canadian Journal of Earth Sciences 41: 1109-1122.
  • Reig, F.L.S. 1961. Acerca de la posicion sistematica de la familia Rauisuchidae y los genero Saurosuchus (Reptilia, Thecodontia). Publicaciones del Museo Municipal de Ciencias Naturales y Tradicional de Mar del Plata 1: 73-114.
  • Reig, O.A. 1959. Primeros datos descriptivos sobre nuevos reptiles arcosaurios del Triasico de Ischigualasto (San Juan, Argentina). Revista de la Asociacion Argentina de Geologia 13: 257-270.
  • Reig, O.A. 1963. La presencia de dinosaurios saurisquios en los ''Estratos de Ischigualasto'' (Mesotriasico superior) de las provincias de San Juan y La Rioja (Republico Argentina). Ameghiniana 3: 3-20.
  • Rieber, H. 1973. Ergebnisse palaontologisch-stratigraphischer Untersuchungen in der Grenzbitumenzone (Mittlere Trias) des Monte San Giorgio (Kanton Tessin, Schweiz). Eclogae Geologicae Helvetiae 66: 667-685.
  • Riggs, N.R., S.R. Ash, A.P. Barth, G.E. Gehrels, and J.L. Wooden. 2003. Isotopic age of the Black Forest Bed, Petrified Forest Member, Chinle Formation, Arizona: an example of dating a continental sandstone. Geological Society of America Bulletin 115: 1315-1323.
  • Rinehart, L.F., S.G. Lucas, and A.P. Hunt. 2007. Furculae in the Late Triassic (Apachean) dinosaur Coelophysis bauri (Theropoda: Ceratosauria). Palaontologische Zeitschrift 81: 174-180.
  • Robinson, P.L. 1957a. An unusual sauropsid dentition. Zoological Journal of the Linnean Society 43: 283-293.
  • Robinson, P.L. 1957b. The Mesozoic fissures of the Bristol Channel area and their vertebrate fauna. Zoological Journal of the Linnean Society 43: 260-282.
  • Rogers, R.R., et al. 1993. The Ischigualasto tetrapod assemblage (Late Triassic, Argentina) and 40Ar/39Ar dating of dinosaur origins. Science 260: 794-797.
  • Rogers, R.R., et al. 2001. Paleoenvironment and taphonomy of the Chanares Formation tetrapod assemblage (Middle Triassic), Northwestern Argentina: spectacular preservation in volcanogenic concretions. Palaios 16: 461-481.
  • Romer, A.S. 1956. The osteology of the Reptilia. Chicago: University of Chicago Press, 772 pp.
  • Romer, A.S. 1966. Vertebrate paleontology. 3rd ed. Chicago: University of Chicago Press, 468 pp.
  • Romer, A.S. 1971a. The Chanares (Argentina) Triassic reptile fauna. X. Two new but incompletely known long-limbed pseudosuchians. Breviora 378: 1-10.
  • Romer, A.S. 1971b. The Chanares (Argentina) Triassic reptile fauna. XI. Two new longsnouted thecodonts, Chanaresuchus and Gualosuchus. Breviora 379: 1-22.
  • Romer, A.S. 1972a. The Chanares (Argentina) Triassic reptile fauna. XV. Further remains of the thecodonts Lagerpeton and Lagosuchus. Breviora 394: 1-7.
  • Romer, A.S. 1972b. The Chanares (Argentina) Triassic reptile fauna. XII. The postcranial skeleton of the thecodont Chanaresuchus. Breviora 385: 1-21.
  • Romer, A.S. 1972c. The Chanares (Argentina) Triassic reptile fauna. XIII. An early ornithosuchid pseudosuchian, Gracilisuchus stipanicicorum, gen. et sp. nov. Breviora 389: 1-24.
  • Romer, A.S. 1972d. The Chanares (Argentina) Triassic reptile fauna. XIV. Lewisuchus admixtus gen. et sp. nov., A further thecodont from the Chanares beds. Breviora 390: 1-13.
  • Rosenbaum, J.N., and K. Padian. 2000. New material of the basal thyreophoran Scutellosaurus lawleri from the Kayenta Formation (Lower Jurassic) of Arizona. PaleoBios 20: 13-23.
  • Rowe, T. 1989. A new species of the theropod dinosaur Syntarsus from the Early Jurassic Kayenta Formation of Arizona. Journal of Vertebrate Paleontology 9: 125-136.
  • Rowe, T., and J. Gauthier. 1990. Ceratosauria. In D.B. Weishampel, P. Dodson, and H. Osmolska (editors), The Dinosauria, 151-168. Berkeley: University of California Press.
  • Rubidge, B.S. 2005. Re-uniting lost continents- fossil reptiles from the ancient Karoo and their wanderlust. South African Journal of Geology 108: 135-172.
  • Sahney, S., and M.J. Benton. 2008. Recovery from the most profound mass extinction of all time. Proceedings of the Royal Society of London B Biological Sciences 275: 759-765.
  • Santa Luca, A.P. 1980. The postcranial skeleton of Heterodontosaurus tucki (Reptilia, Ornithischia) from the Stormberg of South Africa. Annals of the South African Museum 79: 159-211.
  • Santa Luca, A.P. 1984. Postcranial remains of Fabrosauridae (Reptilia: Ornithischia) from the Stormberg of southern Africa. Palaeontologia Africana 25: 151-180.
  • Santa Luca, A.P., A.W. Crompton, and A.J. Charig. 1976. A complete skeleton of the Late Triassic ornithischian Heterodontosaurus tucki. Nature 264: 324-328.
  • Sawin, H.J. 1947. The pseudosuchian reptile Typothorax meadei. Journal of Paleontology 21: 201-238.
  • Schaltegger, U., J. Guex, A. Bartolini, B. Schoene, and M. Ovtcharova. 2008. Precise U-Pb age constraints for end-Triassic mass extinction, its correlation to volcanism and Hettangian postextinction recovery. Earth and Planetary Science Letters 267: 266-275.
  • Schoch, R., et al. 2010. The reptile assemblage from the Moenkopi Formation (Middle Triassic) of New Mexico. Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen (DOI: 10.1127/0077-7749/2009/0030).
  • Schoch, R.R. 2007. Osteology of the small archosaur Aetosaurus from the Upper Triassic of Germany. Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 246: 1-35.
  • Schultz, C.L., C.M.D.S. Scherer, and M.C. Barberena. 2000. Bioestratigraphy of southern Brazilian Middle-Upper Triassic. Revista Brasileira de Geociencias 30: 495-498.
  • Schwartz, H.L., and D.D. Gillette. 1994. Geology and taphonomy of the Coelophysis Quarry, Upper Triassic Chinle Formation, Ghost Ranch, New Mexico. Journal of Paleontology 68: 1118-1130.
  • Seeley, H.G. 1887. On the classification of the fossil animals commonly named Dinosauria. Proceedings of the Royal Society of London 43: 165-171.
  • Sen, K. 2005. A new rauisuchian archosaur from the Middle Triassic of India. Palaeontology 48: 185-196.
  • Sennikov, A.G. 1988. New Rauisuchidae from the Triassic of the European USSR. Paleontologicheskii Zhurnal 1988: 124-128.
  • Sennikov, A.G. 1994. Pervyj srednetriasovyj proterosuchid iz Vostochnoy Evropy. Doklady Akademii Nauk 336: 659-661.
  • Sennikov, A.G., and V.K. Golubev. 2006. Vyazniki biotic assemblage of the terminal Permian. Palaeontological Journal 40: 475-481.
  • Senter, P. 2003. New information on cranial and dental features of the Triassic archosauriform reptile Euparkeria capensis. Palaeontology 46: 613-621.
  • Senter, P. 2005. Phylogenetic taxonomy and the names of the major archosaurian (Reptilia) clades. PaleoBios 25: 1-7.
  • Sereno, P.C. 1986. Phylogeny of the bird-hipped dinosaurs (Order Ornithischia). National Geographic Society Research 2: 234-256.
  • Sereno, P.C. 1991a. Basal archosaurs: phylogenetic relationships and functional implications. Journal of Vertebrate Paleontology 10 (supplement to 3): 1-53.
  • Sereno, P.C. 1991b. Lesothosaurus, ''Fabrosaurids,'' and the early evolution of Ornithischia. Journal of Vertebrate Paleontology 11: 168- 197.
  • Sereno, P.C. 1994. The pectoral girdle and forelimb of the basal theropod Herrerasaurus ischigualastensis. Journal of Vertebrate Paleontology 13: 425-450.
  • Sereno, P.C. 1997. The origin and evolution of dinosaurs. Annual Reviews in Earth and Planetary Science 25: 435-489.
  • Sereno, P.C. 1998. A rationale for phylogenetic definitions, with application to the higher-level taxonomy of Dinosauria. Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 210: 41-83.
  • Sereno, P.C. 1999. The evolution of dinosaurs. Science 284: 2137-2147.
  • Sereno, P.C. 2005. The logical basis of phylogenetic taxonomy. Systematic Biology 54: 595-619.
  • Sereno, P.C. 2007. The phylogenetic relationships of early dinosaurs: a comparative report. Historical Biology 19: 145-155.
  • Sereno, P.C., and A.B. Arcucci. 1990. The monophyly of crurotarsal archosaurs and the origin of bird and crocodile ankle joints. Neues Jahrbuch fur Geologie und Palaeontologie Abhandlungen 180: 21-52.
  • Sereno, P.C., and R. Wild. 1992. Procompsognathus: theropod, ''thecodont'' or both? Journal of Vertebrate Paleontology 12: 435- 458.
  • Sereno, P.C., and F.E. Novas. 1992. The complete skull and skeleton of an early dinosaur. Science 258: 1137-1140.
  • Sereno, P.C., and F.E. Novas. 1994. The skull and neck of the basal theropod Herrerasaurus ischigualastensis. Journal of Vertebrate Paleontology 13: 451-476.
  • Sereno, P.C., and A.B. Arcucci. 1994a. Dinosaurian precursors from the Middle Triassic of Argentina: Marasuchus lilloensis, gen. nov. Journal of Vertebrate Paleontology 14: 53-73.
  • Sereno, P.C., and A.B. Arcucci. 1994b. Dinosaurian precursors from the Middle Triassic of Argentina: Lagerpeton chanarensis. Journal of Vertebrate Paleontology 13: 385-399.
  • Sereno, P.C., S. McAllister, and S.L. Brusatte. 2005. TaxonSearch: a relational database for suprageneric taxa and phylogenetic definitions. PhyloInformatics 8: 1-21.
  • Sereno, P.C., C.A. Forster, R.R. Rogers, and A.M. Monetta. 1993. Primitive dinosaur skeleton from Argentina and the early evolution of Dinosauria. Nature 361: 64-66.
  • Sereno, P.C., H.C.E. Larsson, C.A. Sidor, and B. Gado. 2001. The giant crocodyliform Sarcosuchus from the Cretaceous of Africa. Science 294: 1516-1519.
  • Sereno, P.C., et al. 1994. Early cretaceous dinosaurs from the Sahara. Science 266: 267- 270.
  • Sereno, P.C., et al. 1996. Predatory dinosaurs from the Sahara and Late Cretaceous faunal differentiation. Science 272: 986-991.
  • Sereno, P.C., et al. 2008. Evidence for avian intrathoracic air sacs in a new predatory dinosaur from Argentina. PLOS One 3: 1-20.
  • Shishkin, M.A., V.G. Ochev, V.R. Lozovskii, and I.V. Novikov. 2000. Tetrapod biostratigraphy of the Triassic of Eastern Europe. In M.J. Benton, M.A. Shishkin, D.M. Unwin, and E.N. Kurochkin (editors), The age of dinosaurs in Russia and Mongolia: 120-139. Cambridge: Cambridge University Press.
  • Siddell, M.E. 1998. Stratigraphic fit to phylogenies: a proposed solution. Cladistics 14: 201- 208.
  • Sill, W.D. 1974. The anatomy of Saurosuchus galilei and the relationships of the rauisuchid thecodonts. Bulletin of the Museum of Comparative Zoology 146: 317-362.
  • Simmons, D.J. 1965. The non-therapsid reptiles of the Lufeng Basin, Yunnan, China. Fieldiana: Geology 15: 1-93.
  • Small, B., and A. Downs. 2002. An unusual archosauriform from Ghost Ranch, New Mexico Journal of Vertebrate Paleontology 22: 108A pp.
  • Small, B.J. 2002. Cranial anatomy of Desmatosuchus haplocerus (Reptilia: Archosauria: Stagonolepididae). Zoological Journal of the Linnean Society 136: 97-111.
  • Smith, D.K., and P.M. Galton. 1990. Osteology of Archaeornithomimus asiaticus (Upper Cretaceous, Iren Dabasu Formation, People's Republic of China. Journal of Vertebrate Paleontology 10: 255-265.
  • Smith, N.D., P.J. Makovicky, W.R. Hammer, and P.J. Currie. 2007. Osteology of Cryolophosaurus ellioti (Dinosauria: Theropoda) from the Early Jurassic of Antarctica and implications for early theropod evolution. Zoological Journal of the Linnean Society 151: 377-421.
  • Smith, R., and J. Botha. 2005. The recovery of terrestrial vertebrate diversity in the South African Karoo Basin after the end-Permian extinction. Comptes Rendus Palevol 4: 555- 569.
  • Snyder, R.C. 1962. Adaptations for bipedal locomotion of lizards. American Zoologist 2: 191-203.
  • Soemmerring, T.v. 1812. Uber einen Ornithocephalus, Denkschriften der koniglichen bayerischen Akademie der Wissenschaften, Mathematische-Physische Klasse 3: 89-158.
  • Stocker, M.R. 2008. The relationships of the phytosaur Leptosuchus Case 1922 with descriptions of new material from Petrified Forest National Park, Arizona. M.S. thesis, Department of Geosciences, University of Iowa, Iowa City, 220 pp.
  • Stocker, M.R. 2010. A new taxon of phytosaur (Archosauria: Pseudosuchia) from the Late Triassic (Norian) Sonsela Member (Chinle Formation) in Arizona, and a critical reevaluation of Leptosuchus Case, 1922. Palaeontology 53: 997-1022.
  • Sues, H.-D. 1976. Thecodontia incertae sedis: Proterochampsianae. In O. Kuhn (editor), Handbuch der Palaoherpetologie 13: 121-126. Stuttgart: Gustav Fischer Verlag.
  • Sues, H.-D. 1990. Staurikosaurus and Herrerasauridae. In D.B. Weishampel, P. Dodson, and H. Osmolska (editors), The Dinosauria: 143-147. Berkeley: University of California Press.
  • Sues, H.-D., P.E. Olsen, J.G. Carter, and D.M. Scott. 2003. A new crocodylomorph archosaur from the Upper Triassic of North Carolina. Journal of Vertebrate Paleontology 23: 329-343.
  • Sulej, T. 2005. A new rauisuchian reptile (Diapsida: Archosauria) from the Late Triassic of Poland. Journal of Vertebrate Paleontology 25: 78-86.
  • Sullivan, R.M., and S.G. Lucas. 1999. Eucoelophysis baldwini, a new theropod dinosaur from the Upper Triassic of New Mexico, and the status of the original types of Coelophysis. Journal of Vertebrate Paleontology 19: 81-90.
  • Sun, A.L., and G. Cui. 1986. A brief introduction to the Lower Lufeng saurischian fauna (Lower Jurassic: Lufeng, Yunnan, P. R. China). In K. Padian (editor), The Beginning of the age of dinosaurs: faunal change across the Triassic- Jurassic Boundary: 275-278. Cambridge: Cambridge University Press.
  • Tanner, L.H., and S.G. Lucas. 2007. The Moenave Formation: sedimentologic and stratigraphic context of the Triassic-Jurassic boundary in the Four Corners area, southwestern U.S.A. Palaeogeography Palaeoclimatology Palaeoeocology 244: 111-125.
  • Tatarinov, L.P. 1960. [Discovery of pseudosuchians in the Upper Permian of the USSR]. Paleontologicheskii Zhurnal 1960: 74-80. [in Russian]
  • Thulborn, R.A. 1970. The systematic position of the Triassic ornithischian dinosaur Lycorhinus angustidens. Zoological Journal of the Linnean Society 49: 235-245.
  • Thulborn, R.A. 1971. Origins and evolution of ornithischian dinosaurs. Nature 234: 75-78.
  • Thulborn, R.A. 1972. The postcranial skeleton of the Triassic ornithischian dinosaur Fabrosaurus australis. Palaeontology 15: 29-60.
  • Thulborn, R.A. 1975. Dinosaur polyphyly and the classification of archosaurs and birds. Australian Journal of Zoology 23: 249-270.
  • Turner, A.H., D. Pol, J.A. Clarke, G.M. Erickson, and M.A. Norell. 2007. A basal dromaeosaurid and size evolution preceding avian flight. Science 317: 1378-1381.
  • Tverdokhlebov, V.P., G.I. Tverdokhlebov, M.V. Surkov, and M.J. Benton. 2002. Tetrapod localities from the Triassic of the SE of European Russia. Earth-Science Reviews 60: 1-66.
  • Tykoski, R.S. 1998. The osteology of Syntarsus kayentakatae and its implications for ceratosaurid phylogeny. M.A. thesis, Geology, University of Texas at Austin, Austin.
  • Tykoski, R.S. 2005a. Vertebrate paleontology in the Arizona Jurassic. Mesa Southwest Museum Bulletin 11: 72-93.
  • Tykoski, R.S. 2005b. Anatomy, ontogeny, and phylogeny of coelophysoid theropods. Ph.D. dissertation, Jackson School of Geosciences, University of Texas at Austin, 553 pp.
  • Tykoski, R.S., and T. Rowe. 2004. Ceratosauria. In D.B. Weishampel, P. Dodson, and H. Osmolska (editors), The Dinosauria, 2nd ed.: 47-70. Berkeley: University of California Press.
  • Tykoski, R.S., T.B. Rowe, R.A. Ketcham, and M.W. Colbert. 2002. Calsoyasuchus valliceps, a new crocodyliform from the Early Jurassic Kayenta Formation of Arizona. Journal of Vertebrate Paleontology 22: 593-611.
  • Unwin, D.M. 1988. New remains of the pterosaur Dimorphodon (Pterosauria: Rhamphorhynchoidea) and the terrestrial ability of early pterosaurs. Modern Geology 13: 57-68.
  • Unwin, D.M. 2003. On the phylogeny and evolutionary history of pterosaurs. Geological Society of London Special Publication 217: 139-190.
  • Upchurch, P. 1997. Sauropodomorpha. In P.J. Currie and K. Padian (editors), Encyclopedia of dinosaurs: 658-660. San Diego, CA: Academic Press.
  • Upchurch, P., P.M. Barrett, and P.M. Galton. 2007. A phylogenetic analysis of basal sauropodomorph relationships: implications for the origin of sauropod dinosaurs. Special Papers in Palaeontology 77: 57-90.
  • Urliches, M. 1989. Zur Stratigraphie und Fossilfuhrung des Lettenkeupers (Ob. Trias) bei Schwabisch Hall (Baden-Wutternberg). Jahresberichte und Mitteilungen des Oberrheinischen Geologischen Wvereins Neue Folge 64: 213-224.
  • Walker, A.D. 1961. Triassic reptiles from the Elgin area: Stagonoleplis, Dasygnathus, and their allies. Philosophical Transactions of the Royal Society of London 244: 103-204.
  • Walker, A.D. 1964. Triassic reptiles from the Elgin area: Ornithosuchus and the origin of carnosaurs. Philosophical Transactions of the Royal Society of London B Biological Sciences 248: 53-134.
  • Walker, A.D. 1968. Protosuchus, Proterochampsa, and the origin of phytosaurs and crocodiles. Geological Magazine 105: 1-14.
  • Walker, A.D. 1969. The reptile fauna of the ''Lower Keuper'' Sandstone. Geological Magazine 106: 470-476.
  • Walker, A.D. 1970. A revision of the Jurassic reptile Hallopus victor (Marsh), with remarks on the classification of crocodiles. Philosophical Transactions of the Royal Society of London B Biological Sciences 257: 323-372.
  • Walker, A.D. 1972. New light on the origin of birds and crocodiles. Nature 237: 257-263.
  • Walker, A.D. 1990. A revision of Sphenosuchus acutus Haughton, crocodylomorph reptile from the Elliot Formation (Late Triassic or Early Jurassic) of South Africa. Philosophical Transactions of the Royal Society of London B Biological Sciences 330: 1-120.
  • Watson, D.M. 1912. Mesosuchus browni, gen. et spec. nov. Records of the Albany Museum 2: 296-297.
  • Wedel, M.J. 2003. The evolution of vertebral pneumaticity in sauropod dinosaurs. Journal of Vertebrate Paleontology 23: 344-357.
  • Wedel, M.J. 2007. What pneumaticity tells us about 'prosauropods,' and vise versa. Special Papers in Palaeontology 77: 207-222.
  • Weems, R.E. 1980. An unusual newly discovered archosaur from the Upper Triassic of Virginia, U.S.A. Transactions of the American Philosophical Society 70: 1-53.
  • Weinbaum, J.C. 2002. Osteology and relationships of Postosuchus kirkpatricki (Archosauria: Crurotarsi). Lubbuck: Texas Tech University, 78 pp.
  • Weinbaum, J.C., and A. Hungerbuhler. 2007. A revision of Poposaurus gracilis (Archosauria: Suchia) based on two new specimens from the Late Triassic of the southwestern U.S.A. Palaontologische Zeitschrift 81/2: 131-145.
  • Weishampel, D.B., and L.M. Witmer. 1990. Heterodontosauridae. In D.B. Weishampel, P. Dodson, and H. Osmolska (editors), The Dinosauria: 486-497. Berkeley: University of California Press.
  • Welles, S.P. 1947. Vertebrates from the Upper Moenkopi Formation of the Northern Arizona. University of California Publications in Geological Science 27: 241-294.
  • Welles, S.P. 1954. New Jurassic dinosaur from the Kayenta Formation of Arizona. Geological Society of America Bulletin 65: 591-598.
  • Welles, S.P. 1970. Dilophosaurus (Reptilia, Saurischia), a new name for a dinosaur. Journal of Paleontology 44: 989 pp.
  • Welles, S.P. 1984. Dilophosaurus wetherilli (Dinosauria, Theropoda) osteology and comparisons. Palaeontographica 185A: 85-180.
  • Wellnhofer, P. 1978. Pterosauria. Handbuch der Palaoherpetologie 19: 1-82.
  • Wellnhofer, P. 2003. A Late Triassic pterosaur from the northern Calcareous Alps (Tyrol, Austria). Geological Society of London Special Publication 217: 5-22.
  • Welman, J. 1995. Euparkeria and the origin of birds. African Journal of Science 91: 533-537.
  • Welman, J. 1998. The taxonomy of the South African proterosuchids (Reptilia, Archosauromorpha). Journal of Vertebrate Paleontology 18: 340-347.
  • Welman, J., and A.F. Flemming. 1993. Statistical analysis of the skulls of Triassic proterosuchids (Reptilia, Archosauromorpha) from South Africa. Paleontologia Africana 30: 113-123.
  • Westphal, F. 1976. Phytosauria. In O. Kuhn (editor), Handbuch der Palaoherpetologie: Thecodontia, 99-120. Stuttgart: Gustav Fischer Verlag.
  • Whiteside, D.I., and J.E.A. Marshall. 2008. The age, fauna and palaeoenvironment of the Late Triassic fissure deposits of Tytherington, south Gloucestershire, UK. Geological Magazine 145: 105-147.
  • Wild, R. 1978. Die Flugsaurier (Reptilia, Pterosauria) aus der Oberen Trias von Cene bei Bergamo, Italien. Bolletino della Societa Paleontologica Italiana 17: 176-256.
  • Wild, R. 1989. Aetosaurus (Reptilia: Thecodontia) from the Upper Triassic (Norian) of Cene near Bergamo, Italy, with a revision of the genus. Revista del Museo Civico di Scienze Naturali ''Enrico Caffi'' 14: 1-24.
  • Wild, R. 1993. A juvenile specimen of Eudimorphodon ranzii Zambelli (Reptilia, Pterosauria) from the Upper Triassic (Norian) of Bergamo. Rivista del Museo Civico di Scienze Naturali ''E. Caffi'' Bergamo 16: 95-120.
  • Wills, M.A. 1999. Congruence between stratigraphy and phylogeny: randomization tests and the gap excess ratio. Systematic Biology 48: 559-580.
  • Wilson, J.A. 1999. A nomenclature for vertebral laminae in sauropods and other saurischian dinosaurs. Journal of Vertebrate Paleontology 19: 639-653.
  • Wills, M.A., P.M. Barrett, and J.F. Heathcote. 2008. The modified Gap Excess Ratio (GER*) and the stratigraphic congruence of dinosaur phylogenies. Systematic Biology 57: 891-904.
  • Witmer, L.M. 1997. The evolution of the antorbital cavity of archosaurs: a study in soft-tissue reconstruction in the fossil record. Journal of Vertebrate Paleontology Memoir 3: 1-73.
  • Wu, X.-C. 1981. The discovery of a new thecodont from north east Shanxi. Vertebrata Palasiatica 19: 122-132.
  • Wu, X.-C., and S. Chatterjee. 1993. Dibothrosuchus elaphros, a crocodylomorph from the Lower Jurassic of China and the phylogeny of the Sphenosuchia. Journal of Vertebrate Paleontology 13: 58-89.
  • Wu, X.-C., and A.P. Russell. 2001. Redescription of Turfanosuchus dabanensis (Archosauriformes) and new information on its phylogenetic relationships. Journal of Vertebrate Paleontology 21: 40-50.
  • Xu, X., et al. 2009. A Jurassic ceratosaur from China bearing on theropod digit reduction and avian digital homologies. Nature 459: 940-944.
  • Yates, A.M. 2003. The species taxonomy of the sauropodomorph dinosaurs from the Lowenstein Formation (Norian, Late Triassic) of Germany. Palaeontology 46: 317-337.
  • Yates, A.M. 2007. The first complete skull of the Triassic dinosaur Melanorosaurus Haughton (Sauropodomorpha: Anchisauria). Special Papers in Palaeontology 77: 9-55.
  • Yates, A.M., and Vasconcelos, C.C. 2005. Furcula-like clavicles in the prosauropod Massospondylus. Journal of Vertebrate Paleontology 25: 466-468.
  • Young, C.C. 1964. The pseudosuchians in China. Palaeontologia Sinica 151: 1-205.
  • Young, C.C. 1973. On the occurrence of Vjushkovia in Sinkiang. Memoirs of the Institute of Vertebrate Paleontology and Paleoanthropology 10: 38-53.
  • Young, C.C. 1978. On a new Chamatosaurus from Sinkiang. Bulletin of the Geological Society of China 15: 291-320.
  • Zambelli, R. 1973. Eudimorphodon ranzii gen. nov., sp. nov., a Triassic pterosaur. Instituto Lombardo di Scienze e Lettere Rendiconti B Scienze Biologiche e Mediche 107: 27-32.
  • Zawiskie, J.M., and R.M. Dawley. 2003. On the skull and holotype of Heptasuchus clarki (Rauisuchia, Poposauridae) from the Upper Triassic Popo Agie Formation, Natrona Co. Wyoming. Southwest Palreontological Symposium 2003 Guide to Presentations, no page numbers assigned.
  • Zeigler, K.E., S.G. Lucas, and A.B. Heckert. 2002. The Late Triassic Canjilon quarry (Upper Chinle Group, New Mexico) phytosaur skulls: evidence of sexual dimorphism in phytosaurs. New Mexico Museum of Natural History and Science Bulletin 21: 179-188.
  • Zeigler, K.E., S.G. Lucas, and A.B. Heckert. 2003. Variation in the Late Triassic Canjilon Quarry (upper Chinle Group, New Mexico) phytosaur skulls: a case for sexual dimorphism. Palaontologische Zeitschrift 77: 341-351.
  • Zhang, F.K. 1975. A new thecodont Lotosaurus, from the Middle Triassic of Hunan. Vertebrata Palasiatica 13: 144-147.