Biodiversity Literature Repository

Submit to community
Liberated Data
Published February 25, 2025 | Version v1
Journal article Open

A new proterochampsid archosauriform from the Middle-Upper Triassic of Southern Brazil

Authors/Creators

  • 1. Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, São João do Polêsine, RS 598, 97230-000, Brazil.

Description

Müller, Rodrigo T. (2025): A new proterochampsid archosauriform from the Middle-Upper Triassic of Southern Brazil. Acta Palaeontologica Polonica 70 (1): 7-16, DOI: 10.4202/app.01204.2024, URL: https://doi.org/10.4202/app.01204.2024

Files

source.pdf

Files (1.5 MB)

Name Size Download all
md5:57aa6ee2aa7aba0f5edb0f66f59215d9
1.5 MB Preview Download

Linked records

Additional details

Identifiers

URL
https://www.checklistbank.org/dataset/312492
LSID
urn:lsid:plazi.org:pub:FFAAFFE2AA7ABA0FFFDB0F66FF92FFD9
URL
http://publication.plazi.org/id/FFAAFFE2AA7ABA0FFFDB0F66FF92FFD9

Has part
Taxonomic treatment: 10.5281/zenodo.17259157 (DOI)
Taxonomic treatment: http://treatment.plazi.org/id/0393879AAA78BA0DFC850AE2FBA2F871 (URL)
Taxonomic treatment: 10.5281/zenodo.17259163 (DOI)
Taxonomic treatment: http://treatment.plazi.org/id/0393879AAA79BA0CFFB90FF9FD00FE19 (URL)
Taxonomic treatment: 10.5281/zenodo.17259165 (DOI)
Taxonomic treatment: http://treatment.plazi.org/id/0393879AAA79BA09FFB90EBEFEE6FE1F (URL)
Figure: 10.5281/zenodo.17259159 (DOI)
Figure: 10.5281/zenodo.17258581 (DOI)
Dataset: 10.5281/zenodo.17259190 (DOI)
Figure: 10.5281/zenodo.16955298 (DOI)
Figure: 10.5281/zenodo.16955300 (DOI)
Figure: 10.5281/zenodo.16955302 (DOI)
Figure: 10.5281/zenodo.16955304 (DOI)
Is source of
Dataset: https://www.gbif.org/dataset/25c4a15f-d577-4139-b90a-335ce9d5e313 (URL)

References

  • Agnolin, F.L., Novas, F.E., Ezcurra, M.D., Miner, S., and Muller, R.T. 2024. Comments on the pelvic girdle anatomy of Lagerpeton chanarensis Romer, 1971 (Archosauria) and its implications on the posture and gait of early pterosauromorphs. The Anatomical Record 307: 1001-1010.
  • Arcucci, A. 1990. Un nuevo Proterochampsidae (Reptilia-Archosauriformes) de la fauna local de Los Chanares (Triasico Medio), La Rioja, Argentina. Ameghiniana 27: 365-378.
  • Arcucci, A., Previtera, E., and Mancuso, A. C. 2019. Ecomorphology and bone microstructure of Proterochampsia from the Chanares Formation. Acta Palaeontologica Polonica 64: 157-170.
  • Barberena, M.C. 1982. Uma nova especie de Proterocampsa (Proterocampsa nodosa sp. nov.) do Triassico do Brasil. Anais da Academia Brasileira de Ciencias 54: 127-141.
  • Benton, M.J. 2016. The Triassic. Current Biology 26: R1214-R1218.
  • Bonaparte, J.F. 1971. Cerritosaurus binsfeldi Price, Tipo de una Nueva Familia de Tecodontes (Pseudosuchia -Proterochampsia). Anais da Academia Brasileira de Ciencias 43: 417-422.
  • 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 B Biological Sciences 353: 501-541.
  • Dilkes, D. and Arcucci, A. 2012. Proterochampsa barrionuevoi (Archosauriformes: Proterochampsia) from the Late Triassic (Carnian) of Argentina and a phylogenetic analysis of Proterochampsia. Palaeontology 55: 853-885.
  • Ezcurra, M.D. 2010. Biogeography of Triassic tetrapods: evidence for provincialism and driven sympatric cladogenesis in the early evolution of modern tetrapod lineages. Proceedings of the Royal Society B: Biological Sciences 277: 2547-2552.
  • Ezcurra, M.D. 2016. The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms. PeerJ 4: e1778.
  • Ezcurra, M.D. and Sues, H.D. 2021. A re-assessment of the osteology and phylogenetic relationships of the enigmatic, large-headed reptile Sphodrosaurus pennsylvanicus (Late Triassic, Pennsylvania, USA) indicates archosauriform affinities. Journal of Systematic Palaeontology 19: 1643-1677.
  • Ezcurra, M.D., Fiorelli, L.E., Martinelli, A.G., Rocher, S., von Baczko, M.B., Ezpeleta, M., Taborda, J.R.A., Hechenleitner, E.M., Trotteyn, M.J., and Desojo, J.B. 2017. Deep faunistic turnovers preceded the rise of dinosaurs in southwestern Pangaea. Nature Ecology and Evolution 1: 1477-1483.
  • Ezcurra, M.D., Montefeltro, F.C., Pinheiro, F.L., Trotteyn, M.J., Gentil, A.R., Lehmann, O.E., and Pradelli, L.A. 2021. The stem-archosaur evolutionary radiation in South America. Journal of South American Earth Sciences 105: 102935.
  • Ezcurra, M.D., Nesbitt, S.J., Bronzati, M., Dalla Vecchia, F.M., Agnolin, F.L., Benson, R.B.J., Brisson Egli, F., Cabreira, S.F., Evers, S.W., Gentil, A.R., Irmis, R.B., Martinelli, A.G., Novas, F.E., Silva, L.R., Smith, N.D., Stocker, M.R., Turner, A.H., and Langer, M.C. 2020. Enigmatic dinosaur precursors bridge the gap to the origin of Pterosauria. Nature 588: 445-449.
  • Fitch, A.J., Haas, M., C'Hair, W., Ridgley, E., Ridgley, B., Oldman, D., Reynolds, C., and Lovelace, D.M. 2023. A new rhynchosaur taxon from the Popo Agie Formation, WY: Implications for a northern Pangean Early -Late Triassic (Carnian) Fauna. Diversity 15: 544.
  • Garcia Marsa, J.A., Ponce, D.A., Agnolin, F., and Novas, F.E. 2023. Histovariability and lifestyle in Proterochampsidae Romer, 1966 (Archosauriformes) from the Chanares Formation (Late Triassic), northwestern Argentina. Comptes Rendus Palevol 22: 605-622.
  • Gauthier, J.A., Kluge, A.G., and Rowe, T. 1988. Amniote phylogeny and the importance of fossils. Cladistics 4: 105-209.
  • Goloboff, P.A. and Catalano, S.A. 2016. TNT version 1.5, including a full implementation of phylogenetic morphometrics. Cladistics 32: 221- 238.
  • Hsiou, A.S., Abdala, F., and Arcucci, A. 2002. Novo registro de proterocampsideo (Reptilia-Archosauriformes) do Triassico medio-superior do Brasil. Revista Brasileira de Paleontologia 3: 48-55.
  • Horn, B.L.D., Melo, T.M., Schultz, C.L., Philipp, R.P., Kloss, H.P., and Goldberg, K. 2014. A new third-order sequence stratigraphic framework applied to the Triassic of the Parana Basin, Rio Grande do Sul, Brazil, based on structural, stratigraphic and paleontological data. Journal of South American Earth Sciences 55: 123-132.
  • Huene, F. von 1938. Die fossilen Reptilien des sudamerikanischen Gondwanalandes. N eues Jahrbuch fur Mineralogie, Geologie und Palaontologie, Abteilung B 3: 142-151.
  • Huene, F. von 1946. Die grossen Stamme der Tetrapoden in den geologischen Zeiten. Biologische Zentralblatt 65: 268-275.
  • Hutchinson, J.R. and Gatesy, S.M. 2000. Adductors, abductors, and the evolution of archosaur locomotion. Paleobiology 26: 734-751.
  • Irmis, R.B., Nesbitt, S.J., Padian, K., Smith, N.D., Turner, A.H., Woody, D., and Downs, A. 2007. A Late Triassic dinosauromorph assemblage from New Mexico and the rise of dinosaurs. Science 317: 358-361.
  • Langer, M.C., Marsola, J.C., Muller, R.T., Bronzati, M., Bittencourt, J.S., Apaldetti, C., and Ezcurra, M.D. 2022. The early radiation of sauropodomorphs in the Carnian (Late Triassic) of South America. In: A. Otero, J.L. Carballido, and D. Pol (eds.), South American Sauropodomorph Dinosaurs: Record, Diversity and Evolution, 1-49. Springer International Publishing, Cham.
  • Langer, M.C., Ramezani, J., and Da-Rosa, A.A. 2018. U-Pb age constraints on dinosaur rise from south Brazil. Gondwana Research 57: 133-140.
  • Li, C., Wu, X.C., Zhao, L.J., Nesbitt, S.J., Stocker, M.R., and Wang, L.T. 2016. A new armored archosauriform (Diapsida: Archosauromorpha) from the marine Middle Triassic of China, with implications for the diverse life styles of archosauriforms prior to the diversification of Archosauria. The Science of Nature 103: 1-23.
  • Martinez, R.N., Apaldetti, C., Correa, G.A., and Abelin, D. 2016. A Norian lagerpetid dinosauromorph from the Quebrada del Barro Formation, northwestern Argentina. Ameghiniana 53: 1-13.
  • Martinez, R.N., Sereno, P.C., Alcober, O.A., Colombi, C.E., Renne, P.R., Montanez, I.P., and Currie, B.S. 2011. A basal dinosaur from the dawn of the dinosaur era in southwestern Pangaea. Science 3316: 206-210.
  • Marsicano, C.A., Irmis, R.B., Mancuso, A.C., Mundil, R., and Chemale, F. 2016. The precise temporal calibration of dinosaur origins. Proceedings of the National Academy of Sciences 113: 509-513.
  • Muller, R.T. and Garcia, M. S. 2022. Oldest dinosauromorph from South America and the early radiation of dinosaur precursors in Gondwana. Gondwana Research 107: 42-48.
  • Muller, R.T., Ezcurra, M.D., Garcia, M.S., Agnolin, F.L., Stocker, M.R., Novas, F.E., Soares, M.B., Kellner, A.W.A., and Nesbitt, S.J. 2023. New reptile shows dinosaurs and pterosaurs evolved among diverse precursors. Nature 620: 589-594.
  • Muller, R.T., Garcia, M.S., and Fonseca, A.D. O. 2022. A new proterochampsid (Archosauriformes: Proterochampsia) from the Late Triassic of southern Brazil and the emergence of archosaurian hind limb traits. Journal of Systematic Palaeontology 20: 1-19.
  • Nesbitt, S.J. 2011. The early evolution of archosaurs: relationships and the origin of major clades. Bulletin of the American Museum of Natural History 352: 1-292.
  • Novas, F.E., Agnolin, F.L., Ezcurra, M.D., Muller, R.T., Martinelli, A.G., and Langer, M.C. 2021. Review of the fossil record of early dinosaurs from South America, and its phylogenetic implications. Journal of South American Earth Sciences 110: 103341.
  • Paes-Neto, V.D., Lacerda, M.B., Ezcurra, M.D., Raugust, T., Trotteyn, M.J., Soares, M.B., Schultz, C.L., Pretto, F.A., Francischini H., and Martinelli, A.G. 2024. New rhadinosuchine proterochampsids from the late Middle -early Late Triassic of southern Brazil enhance the diversity of archosauriforms. The Anatomical Record 307: 851-889.
  • Philipp, R.P., Schultz, C.L., Kloss, H.P., Horn, B.L., Soares, M.B., and Basei, M.A. 2018. Middle Triassic SW Gondwana paleogeography and sedimentary dispersal revealed by integration of stratigraphy and U-Pb zircon analysis: the Santa Cruz Sequence, Parana Basin, Brazil. Journal of South American Earth Sciences 88: 216-237.
  • Price, L.I. 1946. Sobre um novo pseudosuquio do Triassico Superior do Rio Grande do Sul. Boletim Divisao de Geologia e Mineralogia 120: 1-38.
  • Reig, O.A. 1959. Primeros datos descriptivos sobre nuevos reptiles arcosaurios del Triassico de Ischigualasto (San Juan, Argentina). Revista de la Asociacion Geologica Argentina 13: 257-270.
  • Romer, A.S. 1971. The Chanares (Argentina) Triassic reptile fauna. XI. Two new long-snouted thecodonts, Chanaresuchus and Gualosuchus. Museum of Comparative Zoology Bulletin 142: 387-421.
  • Schultz, C.L., Martinelli, A.G., Soares, M.B., Pinheiro, F.L., Kerber, L., Horn, B.L.D., Pretto, F.A., Muller, R.T., and Melo, T.P. 2020. Triassic faunal successions of the Parana Basin, southern Brazil. Journal of South American Earth Sciences 104: 102846.
  • Sengupta, S., Ezcurra, M.D., and Bandyopadhyay, S. 2024. The redescription of Malerisaurus robinsonae (Archosauromorpha: Allokotosauria) from the Upper Triassic lower Maleri Formation, Pranhita-Godavari Basin, India. The Anatomical Record 307: 1315-1365.
  • Sereno, P.C. 1991. Basal archosaurs: phylogenetic relationships and functional implications. Journal of Vertebrate Paleontology 11: 1-53.
  • Sill, W.D. 1967. Proterocampsa barrinuevoi and the early evolution of the Crocodilia. Bulletin of the Museum of Comparative Zoology 135: 415- 446.
  • Trotteyn, M.J. 2011. Material postcraneano de Proterochampsa barrionuevoi Reig 1959 (Diapsida: Archosauriformes) del Triasico Superior del centro-oeste de Argentina.Ameghiniana 48: 424-446.
  • Trotteyn,M.J.and Ezcurra, M.D. 2014.Osteology of Pseudochampsa ischigualastensis gen. et comb. nov. (Archosauriformes: Proterochampsidae) from the early Late Triassic Ischigualasto Formation of northwestern Argentina. PLOS ONE 9: e111388.
  • Trotteyn, M.J. and Ezcurra, M.D. 2020. Redescription of the holotype of Chanaresuchus bonapartei Romer, 1971 (Archosauriformes: Proterochampsidae) from the Upper Triassic rocks of the Chanares Formation of north-western Argentina. Journal of Systematic Palaeontology 18: 1415-1443.
  • Trotteyn, M.J., Arcucci, A.B., and Raugust, T. 2013. Proterochampsia: an endemic archosauriform clade from South America. Geological Society, London, Special Publications 379: 59-90.
  • Zerfass, H., Lavina, E.L., Schultz, C.L., Garcia, A.J.V., Faccini, U.F., and Chemale, F. Jr. 2003. Sequence stratigraphy of continental Triassic strata of Southernmost Brazil: a contribution to Southwestern Gondwana palaeogeography and palaeoclimate. Sedimentary Geology 161: 85-105.