Published April 30, 2010 | Version v1
Journal article Restricted

A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods

Description

Benson, Roger B. J. (2010): A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods. Zoological Journal of the Linnean Society 158 (4): 882-935, DOI: 10.1111/j.1096-3642.2009.00569.x, URL: http://dx.doi.org/10.1111/j.1096-3642.2009.00569.x

Files

Restricted

The record is publicly accessible, but files are restricted to users with access.

Linked records

Additional details

Identifiers

LSID
urn:lsid:plazi.org:pub:9C75692CFF9961545252FFF1FFB9FFD2
URL
http://publication.plazi.org/id/9C75692CFF9961545252FFF1FFB9FFD2

References

  • Allain R. 2001. Redescription de Streptospondylus altdorfensis, le dinosaure theropode de Cuvier, du Jurassique de Normandie. Geodiversitas 23: 349-367.
  • Allain R. 2002. Discovery of a megalosaur (Dinosauria, Theropoda) in the middle Bathonian of Normandy (France) and its implications for the phylogeny of basal Tetanurae. Journal of Vertebrate Paleontology 22: 548-563.
  • Allain R. 2005a. The postcranial anatomy of the megalosaur Dubreuillosaurus valesdunensis (Dinosauria Theropoda) from the Middle Jurassic of Normandy, France. Journal of Vertebrate Paleontology 25: 850-858.
  • Allain R. 2005b. The enigmatic theropod dinosaur Erectopus superbus (Sauvage 1882) from the Lower Albian of Louppyle-Chateau (Meuse, France). In: Carpenter K, ed. The carnivorous dinosaurs. Bloomington, IN: Indiana University Press, 72-86.
  • Allain R, Chure DJ. 2002. Poekilopleuron bucklandii, the theropod dinosaur from the Middle Jurassic (Bathonian) of Normandy. Palaeontology 45: 1107-1121.
  • Allain R, Tykoski R, Aquesbi N, Jalil N-E, Monbaron M, Russell D, Taquet P. 2007. An abelisauroid (Dinosauria: Theropoda) from the Early Jurassic of the High Atlas Mountains, Morocco, and the radiation of ceratosaurs. Journal of Vertebrate Paleontology 27: 610-624.
  • Anderson JF, Hall-Martin A, Russell DA. 1985. Long-bone circumference and weight in mammals, birds and dinosaurs. Zoological Journal of the Linnean Society of London 207: 53-61.
  • Azuma Y, Currie PJ. 2000. A new carnosaur (Dinosauria: Theropoda) from the Lower Cretaceous of Japan. Canadian Journal of Earth Sciences 37: 1735-1753.
  • Bakker RT, Siegwarth J, Kralis D, Filla J. 1992. Edmarka rex, a new, gigantic theropod dinosaur from the middle Morrison Formation, Late Jurassic of the Como Bluff outcrop region. Hunteria 2: 1-24.
  • Bakker RT, Williams M, Currie PJ. 1988. Nanotyrannus, a new genus of pygmy tyrannosaur, from the latest Cretaceous of Montana. Hunteria 1: 1-30.
  • Benson RBJ. 2008a. A redescription of 'Megalosaurus ' hesperis (Dinosauria, Theropoda) from the Inferior Oolite (Bajocian, Middle Jurassic) of Dorset, United Kingdom. Zootaxa 1931: 57-67.
  • Benson RBJ. 2008b. New information on Stokesosaurus, a tyrannosauroid (Dinosauria: Theropoda) from North America and the United Kingdom. Journal of Vertebrate Paleontology 28: 732-750.
  • Benson RBJ. 2009. An assessment of variability in theropod dinosaur remains from the Bathonian (Middle Jurassic) of Stonesfield and New Park Quarry, UK and taxonomic implications for Megalosaurus bucklandii. Palaeontology 52: 857-877.
  • Benson RBJ, Barrett PM, Powell HP, Norman DB. 2008. The taxonomic status of Megalosaurus bucklandii (Dinosauria, Theropoda) from the Middle Jurassic of Oxfordshire, UK. Palaeontology 51: 419-424.
  • Benson RBJ, Xu X. 2008. The anatomy and systematic position of the theropod dinosaur Chilantaisaurus tashuikouensis Hu, 1964 from the Early Cretaceous of Alanshan, People's Republic of China. Geological Magazine 145: 778- 789.
  • Bonaparte JF, Novas FE, Coria RA. 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: 1-42.
  • Bonaparte JF. 1986. Les dinosaures (Carnosaures, Allosaurides, Sauropodes, Cetiosaurides) du Jurassique moyen de Cerro Condor (Chubut, Argentine). Annales de Paleontologie (Vertbres-Invertebres) 72: 247-289.
  • Boneham BFW, Wyatt RJ. 1993. The stratigraphical position of the Middle Jurassic (Bathonian) Stonesfield Slate of Stonesfield, Oxfordshire, UK. Proceedings of the Geologists' Association 104: 123-136.
  • Britt BB. 1991. Theropods of Dry Mesa Quarry (Morrison Formation, Late Jurassic), Colorado, with emphasis on the osteology of Torvosaurus tanneri. Brigham Young University Geology Studies 37: 1-72.
  • Britt BB. 1993. Pneumatic postcranial bones in dinosaurs and other archosaurs. Unpublished PhD thesis, University of Calgary.
  • Brochu CA. 2002. Osteology of Tyrannosaurus rex: insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull. Society of Vertebrate Paleontology Memoir 7: 1-138.
  • Brusatte SL, Benson RBJ, Hutt S. 2008. The osteology of Neovenator salerii (Dinosauria: Theropoda) from the Wealden Group (Barremian) of the Isle of Wight. Palaeontographical Society Monographs 162: 1-75.
  • Brusatte SL, Sereno PC. 2008. Phylogeny of Allosauroidea (Dinosauria: Theropoda): comparative analysis and resolution. Journal of Systematic Palaeontology 6: 155-182.
  • Buckland W. 1824. Notice on the Megalosaurus or great fossil lizard of Stonesfield. Transactions of the Geological Society 21: 390-397.
  • Buffetaut E, Cuny G, Le Loeuff J. 1991. The discovery of French dinosaurs. Modern Geology 18: 161-182.
  • Callomon JH. 1979. Marine boreal Bathonian fossils from the North Sea and their palaeogeographical significance. Proceedings of the Geologists' Association 90: 163-169.
  • Calvo JO, Porfiri JD, Veralli C, Novas FE, Poblete F. 2004. Phylogenetic status of Megaraptor namumhuaquii Novas based on a new specimen from Neuquen, Patagonia, Argentina. Ameghiniana 41: 565-575.
  • Carrano MT. 2007. The appendicular skeleton of Majungasaurus crenatissimus (Theropoda: Abelisauridae) from the Late Cretaceous of Madagascar. Society of Vertebrate Paleontology Memoir 8: 163-179.
  • Carrano MT, Sampson SD. 2008. The phylogeny of Ceratosauria (Dinosauria: Theropoda). Journal of Systematic Palaeontology 6: 183-236.
  • Carrano MT, Sampson SD, Forster CA. 2002. The osteology of Masiakasaurus knopfleri, a small abelisauroid (Dinosauria: Theropoda) from the Late Cretaceous of Madagascar. Journal of Vertebrate Paleontology 22: 510-534.
  • Charig AJ, Milner AC. 1986. Baryonyx, a remarkable new theropod dinosaur. Nature 324: 359-361.
  • Charig AJ, Milner AC. 1997. Baryonyx walkeri, a fish-eating dinosaur from the Wealden of Surrey. Bulletin of the Natural History Museum, Geology Series 53: 11-70.
  • Coria RA, Currie PJ. 2002. The braincase of Giganotosaurus carolinii (Dinosauria: Theropoda) from the Upper Cretaceous of Argentina. Journal of Vertebrate Paleontology 22: 802-811.
  • Coria RA, Currie PJ. 2006. A new carcharodontosaurid (Dinosauria, Theropoda) from the Upper Cretaceous of Argentina. Geodiversitas 28: 71-118.
  • Currie PJ, Carpenter K. 2000. A new specimen of Acrocanthosaurus atokensis (Dinosauria: Theropoda) from the Lower Cretaceous Antlers Formation (Lower Cretaceous, Aptian) of Oklahoma, USA. Geodiversitas 22: 207-246.
  • Currie PJ, Hurum JH, Sabath K. 2003. Skull structure and evolution in tyrannosaurid dinosaurs. Acta Palaeontologica Polonica 48: 227-234.
  • Currie PJ, Rigby JK Jr, Sloan RE. 1990. Theropod teeth from the Judith River Formation of southern Alberta, Canada. In: Carpenter K, Currie PJ, eds. Dinosaur systematics: perspectives and approaches. Cambridge: Cambridge University Press, 107-125.
  • Currie PJ, Zhao X-J. 1994. A new carnosaur (Dinosauria: Theropoda) from the Jurassic of Xinjiang, People's Republic of China. Canadian Journal of Earth Sciences 30: 2037- 2081.
  • Dal Sasso C, Maganuco S, Buffetaut E, Mendez M. 2005. New information on the skull of the enigmatic theropod Spinosaurus, with remarks on its size and affinities. Journal of Vertebrate Paleontology 25: 888-896.
  • Day JJ, Barrett PM. 2004. Material referred to Megalosaurus (Dinosauria: Theropoda) from the Middle Jurassic of Stonesfield, Oxfordshire, England: one taxon or two? Proceedings of the Geologists' Association 115: 359-366.
  • Dong Z. 1984. [A new theropod dinosaur from the Middle Jurassic of Sichuan Basin]. Vertebrata PalAsiatica 22: 213- 218 (in Chinese with English abstract).
  • Dong Z, Chang Y, Li X, Zhou S-W. 1979. [Note on a new carnosaur (Yangchuanosaurus shangyouensis gen. et sp. nov.) from the Jurassic of Yangchuan District, Szechuan Province]. Kexue Tongbao 23: 298-302 (in Chinese).
  • Dong Z, Tang Z. 1985. [A new mid-Jurassic theropod (Gasosaurus constructus gen. et sp. nov.) from Dashanpu, Zigong, Sichuan Province, China]. Vertebrata PalAsiatica 23: 77-83 (in Chinese with English summary).
  • Dong Z, Zhou S, Zhang Y. 1983. [The dinosaurian remains of Sichuan Basin, China]. Palaeontologica Sinica (new series C) 23: 1-145 (in Chinese with English summary).
  • Eudes-Deslongchamps JA. 1838. Memoire sur le Poekilopleuron bucklandii, grand saurien fossile, intermediaire entre les crocodiles et les lezards. Memoire de la Societe Linneenne de Normandie 6: 37-146.
  • Evans SE, Milner AR. 1994. Middle Jurassic microvertebrate assemblages from the British Isles. In: Fraser NC, Sues H-D, eds. In the shadow of the dinosaurs. Cambridge: Cambridge University Press, 303-321.
  • Fitzinger L. 1843. Systema Reptilium. Wien: Braumuller & Seidel.
  • Galton PM, Jensen JA. 1979. A new large theropod dinosaur from the Upper Jurassic of Colorado. Brigham Young University Geology Studies 26: 1-12.
  • Gao Y-H. 1992. [Yangchuanosaurus hepingensis - a new species of carnosaur from Zigong, Sichuan]. Vertebrata Pal- Asiatica 30: 313-324 (in Chinese with English summary).
  • Gao Y-H. 1993. [A new species of Szechuanosaurus from the Middle Jurassic of Dashanpu, Zigong, Sichuan]. Vertebrata PalAsiatica 31: 308-314 (in Chinese with English summary).
  • Gardiner CI. 1937. Reptile-bearing Oolite, Stow. Reports of the British Association for the Advancement of Science 1936: 296.
  • Gardiner CI. 1938. Reptile-bearing Oolite, Stow. Reports of the British Association for the Advancement of Science 1937: 290.
  • Gauthier JA. 1986. Saurischian monophyly and the origin of birds. In: Padian K, ed. The origin of birds and the evolution of flight. Memoirs of the California Academy of Science 8: 1-55.
  • Harris JD. 1998. Reanalysis of Acrocanthosaurus atokensis, its phylogenetic status, and implications, based on a new specimen. New Mexico Museum of Natural History and Science Bulletin 13: 1-75.
  • He X. 1984. The vertebrate fossils of Sichuan. Chengdu: Sichuan Scientific and Technological Publishing House (in Chinese).
  • Henderson DM. 1999. Estimating the masses and centers of mass of extinct animals by 3-D mathematical slicing. Paleobiology 25: 88-106.
  • Holtz TR Jr. 1994. The phylogenetic position of the Tyrannosauridae: implications for theropod systematics. Journal of Paleontology 68: 1100-1117.
  • Holtz TR Jr. 2000. A new phylogeny of the carnivorous dinosaurs. Gaia 15: 6-61.
  • Holtz TR Jr, Molnar RE, Currie PJ. 2004. Basal Tetanurae. In: Weishampel DB, Dodson P, Osmolska H, eds. The dinosauria, 2nd edn. Berkeley, CA: University of California Press, 71-110.
  • von Huene F. 1914. Saurischia et Ornithischia triadica. Fossilium Catalogus, I: Animalia 4: 1-24.
  • von Huene F. 1926. The carnivorous Saurischia in the Jura and Cretaceous formations, principally in Europe. Revista del Museo de La Plata 29: 35-167.
  • Hutchinson JR. 2001a. The evolution of pelvic osteology and soft tissue on the line to extant birds (Neornithes). Zoological Journal of the Linnean Society 131: 123-168.
  • Hutchinson JR. 2001b. The evolution of femoral osteology and soft tissues on the line to extant birds (Neornithes). Zoological Journal of the Linnean Society 131: 169-197.
  • Huxley TH. 1869. On the upper jaw of Megalosaurus. Quarterly Journal of the Geological Society 25: 311-314.
  • Madsen JH Jr. 1976a. Allosaurus fragilis: a revised osteology. Utah Geological and Mineralogical Survey, Bulletin 109: 3-163.
  • Madsen JH Jr. 1976b. A second new theropod from the Late Jurassic of east central Utah. Utah Geology 3: 51-60.
  • Madsen JH Jr, Welles SP. 2000. Ceratosaurus (Dinosauria, Theropoda) a revised osteology. Miscellaneous Publications of the Utah Geological Survey 2: 1-80.
  • Mantell GA. 1827. Illustrations of the geology of Sussex. London: Lupton Relfe.
  • Mantell GA. 1833. The geology of the south-east of England. London: Longman, Rees, Orme, Brown, Green and Longman.
  • Marsh OC. 1878. Principal characters of American Jurassic dinosaurs. Part 1. American Journal of Sciences (series 3) 16: 411-416.
  • Marsh OC. 1881. Classification of the Dinosauria. American Journal of Science (series 3) 23: 241-244.
  • Marsh OC. 1884. Principal characters of American dinosaurs. Part VIII. The order Theropoda. American Journal of Science (series 3) 27: 329-340.
  • Martin AJ. 1962. Bathonian sedimentation in southern England. Proceeedings of the Geologists Association 78: 473- 488.
  • Metcalf SJ, Walker RJ. 1994. A new Bathonian microvertebrate locality in the English midlands. In: Fraser NC, Sues H-D, eds. In the shadow of the dinosaurs. Cambridge: Cambridge University Press, 322-331.
  • von Meyer H. 1832. Palaeologica zur Geschichte der Erde. Frankfurt am Main: S. Schmerber.
  • von Meyer H. 1861. Archaeopteryx lithographica (Vogel- Feder) und Pterodactylus von Solnhofen. Neues Jahrbuch fur Mineralogie, Geologie und Palaontologie 1861: 678-679.
  • Nixon KC. 1999. The Parsimony Ratchet, a new method for rapid parsimony analysis. Cladistics 15: 407-414.
  • Novas FE. 1998. Megaraptor namunhuaiquii, gen. et sp. nov., a large-clawed, Late Cretaceous theropod from Patagonia. Journal of Vertebrate Paleontology 18: 4-9.
  • O'Connor PM. 2007. The postcranial axial skeleton of Majungasaurus crenatissimus (Theropoda: Abelisauridae) from the Late Cretaceous of Madagascar. Society of Vertebrate Paleontology Memoir 8: 127-162.
  • Owen R. 1842. Report on British fossil reptiles. Part II. Reports of the British Association for the Advancement of Science 1841: 60-204.
  • Owen R. 1855. Monograph on the fossil reptilia of the Wealden and Purbeck formations. Part II: Dinosauria (Iguanodon). Palaeontographical Society Monographs 8: 1-54.
  • Owen R. 1857. Monograph on the fossil reptilia of the Wealden and Purbeck formations. Part III: Dinosauria (Megalosaurus). Palaeontographical Society Monographs 9: 1-26.
  • Palmer TJ, Jenkyns HC. 1975. A carbonate island barrier from the Great Oolite (Middle Jurassic) of Central England. Sedimentology 22: 125-135.
  • Peng G, Ye Y, Gao Y, Shu C, Jiang S. 2005. Jurassic dinosaur faunas in Zigong. Zigong: People's Publishing House.
  • Perez-Moreno BP, Sanz JL, Sudre J, Sige B. 1993. A theropod dinosaur from the Lower Cretaceous of southern France. Revue de Paleobiologie 7: 173-188.
  • Phillips J. 1871. Geology of Oxford and the Valley of the Thames. Oxford: Clarendon Press.
  • Rauhut OWM. 2003. The interrelationships and evolution of basal theropod dinosaurs. Special Papers in Palaeontology 69: 1-213.
  • Rauhut OWM. 2005. Osteology and relationships of a new theropod dinosaur from the Middle Jurassic of Patagonia. Palaeontology 48: 87-110.
  • Reynolds SH. 1938. A collection of reptilian bones from the Oolite near Stow-in-the-Wold, Glos. Reports of the British Association for the Advancement of Science 1937: 356-357.
  • Reynolds SH. 1939. A collection of reptilian bones from the Oolite near Stow-in-the-Wold, Gloucestershire. Geological Magazine 76: 13-214.
  • von Ritgen FA. 1826. Versuchte Herstellung einiger Becken urweltlichter Thiere. Nova Acta Academiae Caesarea Leopoldino-Carolinae Germanicae Naturae Curiosorum 13: 331-358.
  • Rowe T, Gauthier J. 1990. Ceratosauria. In: Weishampel DB, Dodson P, Osmolska H, eds. The dinosauria. Berkeley, CA: University of California Press, 151-168.
  • Sadleir RW, Barrett PM, Powell HP. 2008. The anatomy and systematics of Eustreptospondylus oxoniensis, a theropod dinosaur from the Middle Jurassic of Oxfordshire, England. Palaeontographical Society Monographs 160: 1-82.
  • Sampson SD, Witmer LM. 2007. Craniofacial anatomy of Majungasaurus crenatissimus (Theropoda: Abelisauridae) from the Late Cretaceous of Madagascar. In: Sampson SD, Krausse DW, eds. Majungasaurus crenatissimus (Theropoda: Abelisauridae) from the Late Cretaceous of Madagascar. Society of Vertebrate Paleontology Memoir 8, 32-102.
  • Sampson SD, Witmer LM, Forster CA, Krausse DW, O'Connor OM, Dodson P, Ravoavy F. 1998. Predatory dinosaur remains from Madagascar: implications for the Cretaceous biogeography of Gondwana. Science 280: 1048- 1051.
  • Sereno PC. 1999. The evolution of dinosaurs. Science 284: 2137-2147.
  • Sereno PC, Beck AI, Dutheil DB, Gado B, Larsson HCE, Lyon GH, Marcot JD, Rauhut OWM, Sadleir RW, Sidor CA, Varicchio DD, Wilson GP, Wilson JA. 1998. A longsnouted predatory dinosaur from Africa and the evolution of spinosauroids. Science 282: 1298-1302.
  • Sereno PC, Brusatte SL. 2008. Basal abelisaurid and carcharodontosaurid theropods from the Lower Cretaceous Elrhaz Formation of Niger. Acta Palaeontologica Polonica 53: 15-46.
  • Sereno PC, Dutheil DB, Iarochene M, Larsson HCE, Lyon GH, Magwene PM, Sidor CA, Varrichio DJ, Wilson JA. 1996. Predatory dinosaurs from the Sahara and Late Cretaceous faunal differentiation. Science 272: 986- 991.
  • Sereno PC, Wilson JA, Conrad JL. 2004. New dinosaurs link southern landmasses in the mid-Cretaceous. Proceedings of the Royal Society of London B 271: 1325-1330.
  • Sereno PC, Wilson JA, Larsson HCE, Dutheil DE, Sues H-D. 1994. Early Cretaceous dinosaurs from the Sahara. Science 266: 451-476.
  • Sikes DS, Lewis PO. 2001. Beta software, version 1. PAUPRat: PAUP implementation of the parsimony ratchet. Distributed by the authors. Storrs, CT: Department of Ecology and Evolutionary Biology, University of Connecticut.
  • Smith JB. 2007. Dental morphology and variation in Majungasaurus crenatissimus (Theropoda: Abelisauridae) from the Late Cretaceous of Madagascar. Society of Vertebrate Paleontology Memoir 8: 103-126.
  • Smith ND, Makovicky PJ, Agnolin FL, Ezcurra MD, Pais D, Salisbury SW. 2008. A Megaraptor -like theropod (Dinosauria: Tetanurae) in Australia; support for faunal exchange across eastern and western Gondwana in the mid-Cretaceous. Proceedings of the Royal Society, B 275: 2085-2093.
  • Smith ND, Makovicky PJ, Hammer WR, Currie PJ. 2007. Osteology of Cryolophosaurus ellioti from the Early Jurassic of Antarctica and implications for early theropod evolution. Zoological Journal of the Linnean Society 151: 377-421.
  • Stovall JW, Langston W Jr. 1950. Acrocanthosaurus atokensis, a new genus and species of Lower Cretaceous Theropoda from Oklahoma. American Midland Naturalist 43: 696-728.
  • Stromer E. 1931. Wirbeltier-Reste der Baharijie- Stufe (unterstes Cenoman). 10. En Skelett-Rest von Carcharodontosaurus nov. gen. Abhandlungen der Bayerischen Akademie des Wissenschaften Mathematischnaturwussenschaftliche Abteilung 9: 1-23.
  • Stromer E. 1915. Wirbeltier-Reste der Baharije-Stufe (unterstes Cenoman). 3. Das Original des Theropoden Spinosaurus aegyptiacus nov. gen. Abhandlungen der Koniglich Bayerischen Akademie der Wissenschaften. Mathematischphysikalische Klasse 28: 1-32.
  • Sues H-D, Frey E, Martill DM, Scott DM. 2002. Irritator challengeri, a spinosaurid (Dinosauria: Theropoda) from the Lower Cretaceous of Brazil. Journal of Vertebrate Paleontology 22: 535-547.
  • Taquet P, Welles SP. 1977. Redescription du crane de dinosaure theropode de Dives (Normandie). Annales de Paleontologie (Vertebres) 63: 191-206.
  • Torrens HS. 1980. Bathonian correlation chart. In: Cope JCW, Duff KL, Parsons CF, Torrens HS, Wimbledon WA, Wright JK, eds. A correlation of Jurassic Rocks in the British Isles, part two: middle and upper Jurassic. Geological Society of London, Special Report 15: 21-45.
  • Tykoski RS, Rowe T. 2004. Ceratosauria. In: Weishampel DB, Dodson P, Osmolska H, eds. The dinosauria, 2nd edn. Berkeley, CA: University of California Press, 47-70.
  • Upchurch P, Martin J. 2002. The Rutland Cetiosaurus: the anatomy and relationships of a Middle Jurassic British sauropod dinosaur. Palaeontology 45: 1049-1074.
  • Upchurch P, Martin J. 2003. The anatomy and taxonomy of Cetiosaurus (Saurischia, Sauropoda) from the Middle Jurassic of England. Journal of Vertebrate Paleontology 23: 208-231.
  • Waldman M. 1974. Megalosaurids from the Bajocian (Middle Jurassic) of Dorset. Palaeontology 17: 325-340.
  • Walker AD. 1964. Triassic reptiles from the Elgin area: Ornithosuchus and the origin of carnosaurs. Philosophical Transactions of the Royal Society of London B 244: 53-134.
  • Weishampel DB, Barrett PM, Coria RA, Le Loeuff J, Xu X, Zhao X-J, Sahni A, Gomani EMP, Noto CR. 2004. Dinosaur distribution. In: Weishampel DB, Dodson P, Osmolska H, eds. The dinosauria, 2nd edn. Berkeley, CA: University of California Press, 517-606.
  • Welles SP. 1984. Dilophosaurus wetherilli (Dinosauria, Theropoda). Osteology and comparisons. Palaeontographica Abteilung A 185: 85-180.
  • Wilkinson M. 1992. Safe taxonomic reduction, software and documentation. Bristol: Department of Geology, University of Bristol.
  • Wilkinson M. 1994. Common cladistic information and its consensus representation: reduced Adams and reduced cladistic consensus trees and profiles. Systematic Biology 43: 343-368.
  • Wilson JA. 1999. A nomenclature for vertebral laminae in sauropods and other saurischian dinosaurs. Journal of Vertebrate Paleontology 19: 639-653.
  • Witmer LM. 1997. The evolution of the antorbital cavity of archosaurs: a study in soft-tissue reconstruction in the fossil record with an analysis of the function of pneumaticity. Society of Vertebrate Paleontology Memoir 3: 1-73.
  • Woodward AS. 1910. On a skull of Megalosaurus from the Great Oolite of Minchinhampton (Gloucestershire). Quarterly Journal of the Geological Society of London 66: 111- 115.
  • Xu X, Clark JM, Forster CA, Norell MA, Erickson GM, Eberth DA, Jia C, Zhao Q. 2006. A basal tyrannosauroid dinosaur from the Late Jurassic of China. Nature 439: 715-718.
  • Yates AM. 2006. A new theropod dinosaur from the Early Jurassic of South Africa and its implications for the early evolution of theropods. Palaeontologica Africana 41: 105- 122.
  • Zhao X-J, Currie PJ. 1994. A large crested theropod from the Jurassic of Xinjiang, People's Republic of China. Canadian Journal of Earth Sciences 30: 2027-2036.