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Articles

First occurrence of Doswellia cf. D. kaltenbachi (Archosauriformes) from the Late Triassic (middle Norian) Chinle Formation of Arizona and its implications on proposed biostratigraphic correlations across North America during the Late Triassic

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Article: e1976196 | Received 09 Mar 2021, Accepted 13 Jul 2021, Published online: 03 Nov 2021

LITERATURE CITED

  • Arcucci, A., and C. A. Marsicano. 1998. A distinctive new archosaur from the Middle Triassic (Los Chañares Formation) of Argentina. Journal of Vertebrate Paleontology 18:228–232.
  • Atchley, S. C., L. C. Nordt, S. I. Dworkin, J. Ramezani, W. G. Parker, S. R. Ash, and S. A. Bowring. 2013. A linkage among Pangean tectonism, cyclic alluviation, climate change, and biologic turnover in the Late Triassic: the record from the Chinle Formation, southwestern United States. Journal of Sedimentary Research 83:1147–1161.
  • Baird, D. 1986. Some Upper Triassic reptiles, footprints, and an amphibian from New Jersey. The Mosasaur 3:125–153.
  • Bell, C. J., J. A. Gauthier, and G. S. Bever. 2010. Covert biases, circularity, and apomorphies: a critical look at the North American Quaternary herpetofaunal stability hypothesis. Quaternary International 217:30–36.
  • Benton, M. J. 1983. Dinosaur success in the Triassic: a noncompetitive ecological model. The Quarterly Review of Biology 58:29–55.
  • Benton, M. J. 1985. Classification and phylogeny of the diapsid reptiles. Zoological Journal of the Linnean Society 84:97–164.
  • Beyl, A., S. J. Nesbitt, and M. R. Stocker. 2020. An Otischalkian dinosauromorph assemblage from the Los Esteros Member (Santa Rosa Formation) of New Mexico and its implications for biochronology and lagerpetid body size. Journal of Vertebrate Paleontology 40:e1765788.
  • Bonaparte, J. F. 1966. Chronological survey of the tetrapod bearing Triassic of Argentina. Breviora 251:1–13.
  • Bonaparte, J. F. 1982. Classification of the Thecodontia. Geobios Mémoire Spécial 6:99–112.
  • Case, E. C., 1928. Indications of a cotylosaur and a new form of fish from the Triassic beds of Texas, with remarks on the Shinarump Conglomerate. Contributions from the Museum of Paleontology University of Michigan 3:1–14.
  • Case, E. C., 1931. Description of a new species of Buettneria, with a discussion of the brain case. Contributions from the Museum of Paleontology University of Michigan 3:187–206.
  • Case, E. C., 1933. Colognathus proposed for Xenognathus, preoccupied. Journal of the Washington Academy of Sciences 23:65.
  • Colbert, E. H. 1958. Relationships of the Triassic Maleri fauna. Journal of the Palaeontological Society of India 3:68–81.
  • Colbert, E. H., 1971. Tetrapods and continents. The Quarterly Review of Biology 46:250–269.
  • Colbert, E. H., 1974. Wandering Lands and Animals. Hutchinson, London, 324 pp.
  • Colbert, E. H., and J. T. Gregory. 1957. Correlation of continental Triassic sediments by vertebrate fossils. Geological Society of America Bulletin 68:1456–1467.
  • Cooper, M. R., 1982. A mid-Permian to earliest Jurassic tetrapod biostratigraphy and its significance. Arnoldia Zimbabwe 9:77–104.
  • Cox, C. B. 1974. Vertebrate palaeodistributional patterns and continental drift. Journal of Biogeography 1:75–94.
  • Cracraft, J. 1974. Continental drift and vertebrate distribution. Annual Review of Ecology and Systematics 5:215–261.
  • Desojo, J. B., M. D. Ezcurra, and C. L. Schultz. 2011. An unusual new archosauriform from the Middle–Late Triassic of southern Brazil and the monophyly of Doswelliidae. Zoological Journal of the Linnean Society 161:839–871.
  • 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.
  • Du Toit, A. L., 1937. Our Wandering Continents. Oliver and Boyd, London, 366 pp.
  • Elliot, D. H., E. H. Colbert, W. J. Breed, J. A. Jensen, and J. S. Powell. 1970. Triassic tetrapods from Antarctica: evidence for continental drift. Science 169:1197–1201.
  • 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 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. doi.org/https://doi.org/10.7717/peerj.1778.
  • Ezcurra, M. D., A. Lecuona, and A. G. Martinelli. 2010. A new basal archosauriform diapsid from the Lower Triassic of Argentina. Journal of Vertebrate Paleontology 30:1433–1450.
  • Ezcurra, M. D., L. E. Fiorelli, A. G. Martinelli, S. Rocher, M. B. von Baczko, M. Ezpeleta, J. R. A. Taborda, E. M. Hechenleitner, M. J. Trotteyn, and J. B. Desojo. 2017. Deep faunalistic turnovers preceded the rise of dinosaurs in southwestern Pangea. Nature Ecology & Evolution 1:1477–1483.
  • Gauthier, J. A., A. G. Kluge, and T. Rowe. 1988. The early evolution of the Amniota; pp. 103–155 in M. J. Benton (ed.), The Phylogeny and Classification of the Tetrapods. Volume 1: Amphibians, Reptiles, Birds. (The Systematics Association Special Volume, 35A). Oxford: Clarendon Press.
  • Gee, B. M. and W. G. Parker. 2018. A large-bodied metoposaurid from the Revueltian (late Norian) of Petrified Forest National Park (Arizona, USA). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 287:61–73.
  • Gee, B. M., W. G. Parker, and A. D. Marsh. 2019. Redescription of Anaschisma (Temnospondyli: Metoposauridae) from the Late Triassic of Wyoming and the phylogeny of the Metoposauridae. Journal of Systematic Palaeontology 18:233–258.
  • Gehrels, G. E., D. Giesler, P.E. Olsen, D.V. Kent, A.D. Marsh, W.G. Parker, C. Rasmussen, R. Mundil, R.B. Irmis, J.W. Geissman, and C. Lepre. 2020. LA-ICPMS U-Pb geochronology of detrital zircon grains from the Coconino, Moenkopi, and Chinle Formations in the Petrified Forest National Park (Arizona). Geochronology 2:257–282
  • Goloboff, P. A., J. S. Farris, and K. C. Nixon. 2008. TNT, a free program for phylogenetic analysis. Cladistics 24:774–786.
  • Hagdorn, H., and R. J. Mutter. 2011. The vertebrate fauna of the Lower Keuper Albertibank (Erfurt Formation, Middle Triassic) in the vicinity of Schwäbisch Hall (Baden-Württemberg, Germany. Palaeodiversity 4:223–243.
  • Heckert, A. B. 2004. Late Triassic microvertebrates from the lower Chinle Group (Otischalkian-Adamanian: Carnian), southwestern U.S.A. New Mexico Museum of Natural History and Science Bulletin 27:1–170.
  • Heckert, A. B. 2006. Geographic and stratigraphic distribution of the enigmatic Upper Triassic (Adamanian: Carnian) vertebrate fossil Colognathus obscurus Case. Museum of Northern Arizona Bulletin 62:155–156.
  • Heckert, A. B. 2010. Biostratigraphic significance and redescription of the enigmatic vertebrate Colognathus obscurus from the Upper Triassic Chinle Group, southwestern USA. Journal of Vertebrate Paleontology, SVP Program and Abstracts Book 2010:103A–104A.
  • 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., N. C. Fraser, and V. P. Schneider. 2017. A new species of Coahomasuchus (Archosauria: Aetosauria) from the Upper Triassic Pekin Formation, Deep River Basin, North Carolina. Journal of Paleontology 91:162–178.
  • Heckert, A. B., S. G. Lucas, and J. A. Spielmann. 2012a. A new species of the enigmatic archosauromorph Doswellia from the Upper Triassic Bluewater Creek Formation, New Mexico, USA. Palaeontology 55:1333–1348.
  • Heckert, A. B., J. S. Mitchell, V. P. Schneider, and P. E. Olsen. 2012b. Diverse new microvertebrate assemblage from the Upper Triassic Cumnock Formation, Sanford Subbasin, North Carolina, USA. Journal of Paleontology 86:368–390.
  • Heckert, A. B., V. P. Schneider, N. C. Fraser, and R. A. Webb. 2015. A new aetosaur (Archosauria: Suchia) from the Upper Triassic Pekin Formation, Deep River Basin, North Carolina, U.S.A., and its implications for early aetosaur evolution. Journal of Vertebrate Paleontology 35:e881831.
  • Heckert, A. B., S. G. Lucas, L. F. Rinehart, J. A. Spielmann, A. P. Hunt, and R. Kahle. 2006. Revision of the archosauromorphs reptile Trilophosaurus, with a description of the first skull of Trilophosaurus jacobsi, from the Upper Triassic Chinle Group, west Texas, USA. Palaeontology 49:621–640.
  • Huber, P., S. G. Lucas, and A. P. Hunt. 1993. Vertebrate biochronology of the Newark Supergroup Triassic, eastern North America. New Mexico Museum of Natural History & Science Bulletin 3:179–186.
  • Hunt, A. P. 1993. Revision of the Metoposauridae (Amphibia: Temnospondyli) and description of a new genus from western North America. Museum of Northern Arizona Bulletin 59:67–97.
  • Irmis, R. B., J. W. Martz, W. G. Parker, and S. J. Nesbitt. 2010. Re-evaluating the correlation between Late Triassic terrestrial vertebrate biostratigraphy and the GSSP-defined marine stages. Albertiana 38:40–52.
  • Irmis, R. B., R. Mundil, J. W. Martz, and W. G. Parker. 2011. High resolution U-Pb ages from the Upper Triassic Chinle Formation (New Mexico, USA) support a diachronous rise of dinosaurs. Earth and Planetary Science Letters 309:258–267.
  • Jenkins, X. A., A. C. Pritchard, A. D. Marsh, B. T. Kligman, C. A. Sidor, and K. E. Reed. 2020. Using manual ungual morphology to predict substrate use in the Drepanosauromorpha and the description of a new species. Journal of Vertebrate Paleontology 40:e1810058.
  • Kaye, F. T., and K. Padian. 1994. Microvertebrates from the Placerias Quarry: a window on Late Triassic vertebrate diversity in the American Southwest; pp. 171–196 in N. C. Fraser and H.-D. Sues (eds.), In the Shadows of the Dinosaurs: Early Mesozoic Tetrapods. Cambridge University Press, New York.
  • Kent, D. V., P. E. Olsen, and G. Muttoni. 2017. Astrochronostratigraphic polarity time scale (APTS) for the Late Triassic and Early Jurassic from continental sediments and correlation with standard marine stages. Earth-Science Reviews 166:183–180.
  • Kent, D. V., P. E. Olsen, C. Lepre, C. Rasmussen, R. Mundil, G. E. Gehrels, D. Giesler, R. B. Irmis, J. W. Geissman, and W. G. Parker. 2019. Magnetochronology of the entire Chinle Formation (Norian Age) in a scientific drill core from Petrified Forest National Park (Arizona, USA) and implications for regional and global correlations in the Late Triassic: Geochemistry, Geophysics, Geosystems 20:4654–4664.
  • Kent, D. V., P. E. Olsen, C. Rasmussen, C. Lepre, R. Mundil, R. B. Irmis, G. E. Gehrels, D. Giesler, J. W. Geissman, and W. G. Parker. 2018. Empirical evidence for stability of the 405-kiloyear Jupiter–Venus eccentricity cycle over hundreds of millions of years: Proceedings of the National Academy of Sciences of the United States of America 115:6153–6158.
  • Kirby, R. E. 1989. Late Triassic vertebrate localities of the Owl Rock Member (Chinle Formation) in the Ward Terrace area of Northern Arizona; pp. 12–28 in S. G. Lucas and A. P. Hunt (eds.), Dawn of the Dinosaurs in the American Southwest. New Mexico Museum of Natural History, Albuquerque.
  • Kligman, B. T., A. D. Marsh, and W. G. Parker. 2018. First record of diapsid Palacrodon from the Norian, Late Triassic Chinle Formation of Arizona, and biogeographic implications. Acta Palaeontologica Polonica 63:117–127.
  • Kligman, B. T., W. G. Parker, and A. D. Marsh. 2017. First record of Saurichthys (Actinopterygii) from the Upper Triassic (Chinle Formation, Norian) of western North America. Journal of Vertebrate Paleontology 37:e1367304.
  • Kligman, B. T., A. D. Marsh, H.-D. Sues, and C. A. Sidor. 2020. A new non-mammalian eucynodont from the lower part of the Chinle Formation (Triassic: Norian), and implications for the early Mesozoic equatorial cynodont record. Biology Letters 16:20200631. doihttps://doi.org/10.1098/rsbl.2020.0631.
  • Langer, M. C. 2005. Studies on continental Late Triassic tetrapod biochronology. II. The Ischigualastian and a Carnian global correlation. Journal of South American Earth Sciences 19:219–239.
  • Lessner, E. J., W. G. Parker, A. D. Marsh, S. J. Nesbitt, R. B. Irmis, and B. D. Mueller. 2018. New insights into Late Triassic dinosauromorph bearing assemblages from Texas using apomorphy-based identifications. PaleoBios 35.ucmp_paleobios_39960.
  • LeTourneau, P. 2003. Stratigraphic architecture and paleomagnetic reversal stratigraphy of the Late Triassic Taylorsville Basin, Virginia and Maryland; pp. 12–57 in P. LeTourneau and P. E. Olsen (eds.), The Great Rift Valleys of Pangea in Eastern North America. Volume Two: Sedimentology, Stratigraphy, and Paleontology. Columbia University Press, New York.
  • Long, L. E., and T. M. Lehman. 1993. Rb-Sr ages of detrital mica in sandstones of the Triassic Dockum Group, Texas Panhandle. Geological Society of America Abstracts with Programs 25:A66.
  • Long, L. E., and T. M. Lehman. 1994. Mid-Paleozoic age of provenance of Triassic (Dockum Group) sandstone, Texas Panhandle, USA; pp. 197 in M. A. Lanphere, G. B. Dalrymple, and B. D. Turrin (eds.), Abstracts of the Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology. University of California at Berkeley, Berkeley.
  • Long, L.E., and T. M. Lehman. 2009. Ages and provenance of detrital minerals, Triassic Dockum Group, Texas Panhandle. Geological Society of America Abstracts with Programs 41:35.
  • 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 & Science Bulletin 4:1–254.
  • Lucas, S. G. 1998. Global Triassic tetrapod biostratigraphy and biochronology. Palaeogeography, Palaeoclimatology, Palaeoecology 143:347–384.
  • Lucas, S. G. 2010. The Triassic timescale based on nonmarine tetrapod biostratigraphy and biochronology. Geological Society of London Special Publication 334:447–500.
  • Lucas, S. G. 2018. Late Triassic terrestrial tetrapods: biostratigraphy, biochronology and biotic events; pp. 351–405 in L. E. Tanner (ed.), The Late Triassic World: Earth in a Time of Transition. Topics in Geobiology. Springer International Publishing AG, Switzerland.
  • Lucas, S. G., and A. P. Hunt. 1993. Tetrapod biochronology of the Chinle Group (Upper Triassic), western United States. New Mexico Museum of Natural History and Science 3:327–329.
  • Lucas, S. G., and L. H. Tanner. 2015. End-Triassic nonmarine events. Journal of Palaeogeography 4:331–348.
  • Lucas, S. G., J. A. Spielmann, and A. P. Hunt. 2013. A new doswelliid archosauromorph from the Upper Triasic of West Texas. New Mexico Museum of Natural History and Science Bulletin 61:382–388.
  • Marsh, A. D., and W. G. Parker. 2020. New dinosauromorph specimens from Petrified Forest National Park and a global biostratigraphic review of Triassic dinosauromorph body fossils. PaleoBios 37:1–56.
  • Marsh, A. D., W. G. Parker, D. F. Stockli, and J. W. Martz. 2019. Regional correlation of the Sonsela Member (Upper Triassic Chinle Formation) and detrital zircon data from the Sonsela Sandstone bed near the Sonsela Buttes, northeastern Arizona, USA, support the presence of a distributive fluvial system. Geosphere 15:112–1139.
  • Marsh, A. D., M. E. Smith, W. G. Parker, R. B. Irmis, and B. T. Kligman. 2020. Skeletal anatomy of Acaenasuchus geoffreyi Long and Murry 1995 (Archosauria: Pseudosuchia), a member of a new clade of armored archosaurs. Journal of Vertebrate Paleontology 40:e1794885.
  • Martz, J. W. 2008. Lithostratigraphy, Chemostratigraphy, and Vertebrate Biostratigraphy of the Dockum Group (Upper Triassic), of southern Garza County, West Texas. Ph.D. dissertation. Texas Tech University, Lubbock, Texas, 504 pp.
  • Martz, J. W., and W. G. Parker. 2017. Revised formulation of the Late Triassic Land Vertebrate “Faunachrons” of western North America: recommendations for codifying nascent systems of vertebrate biochronology; pp. 39–125 in K. E. Zeigler and W. G. Parker (eds.), Terrestrial Depositional Systems. Elsevier, Cambridge.
  • Martz, J. W., B. Mueller, S. J. Nesbitt, M. R. Stocker, W. G. Parker, M. Atanassov, N. Fraser, J. Weinbaum, and J. Lehane. 2013. A taxonomic and biostratigraphic re-evaluation of the Post Quarry vertebrate assemblage from the Cooper Canyon Formation (Dockum Group, Upper Triassic) of southern Garza County, western Texas. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 103:339–364.
  • Mitchell, J. S., A. B. Heckert, and H.-D. Sues. 2010. Grooves to tubes: Evolution of the venom delivery system in a Late Triassic “reptile”. Naturwissenschaften 97:1117–1121.
  • Murry, P. A. 1989. Microvertebrate fossils from the Petrified Forest and Owl Rock Members (Chinle Formation) in Petrified Forest National Park and vicinity, Arizona; pp. 249–277 in S. G. Lucas and A. P. Hunt (eds.), Dawn of the Age of Dinosaurs in the American Southwest. New Mexico Museum of Natural History, Albuquerque.
  • Murry, P. A., and R. E. Kirby 2002. A new hybodont shark from the Chinle and Bull Canyon formations, Arizona, Utah, and New Mexico. New Mexico Museum of Natural History and Science Bulletin 21:87–106.
  • 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.
  • 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.
  • Olsen P. E., and P. M. Galton. 1984. A review of the reptile and amphibian assemblages from the Stormberg of southern Africa, with emphasis on the footprints and the age of the Stormberg. Palaeontologia Africana 25:87–110.
  • Olsen, P. E., and D. V. Kent. 1999. Long-period Milankovitch cycles from the Late Triassic and Early Jurassic of eastern North America and their implications for the calibration of the early Mesozoic time scale and the long-term behavior of the planets. Philosophical Transactions of the Royal Society A 357:1761–1787.
  • Olsen, P. E., D. V. Kent, and J. H. Whiteside. 2011. Implications of the Newark Supergroup-based astrochronology and geomagnetic polarity time scale (Newark–APTS) for the tempo and mode of the early diversification of the Dinosauria. Earth and Environmental Transactions of the Royal Society of Edinburgh 101:201–229.
  • Olsen, P. E., J. W. Geissman, D. V. Kent, G. E. Gehrels, R. Mundil, R. B. Irmis, C. Lepre, C. Rasmussen, D. Giesler, W. G. Parker, N. Zakharova, W. M. Kürschner, C. Miller, V. Baranyi, M. F. Schaller, J. H. Whiteside, D. Schnurrenberger, A. Noren, K. Brady Shannon, R. O’Grady, M. W. Colbert, J. Maisano, D. Edey, S. T. Kinney, R. Molina-Garza, G. H. Bachman, J. Sha, and the CPCD team. 2018. Colorado Plateau Coring Project, 2018, Phase I (CPCP-I): A continuously cored, globally exportable chronology of Triassic continental environmental change from western North America. Scientific Drilling 24:15–40.
  • Parker, W. G. 2002. Correlation of locality numbers from vertebrate fossil sites in Petrified Forest National Park, Arizona. New Mexico Museum of Natural History and Science Bulletin 21:37–42.
  • Parker, W. G. 2014. Taxonomy and Phylogeny of the Aetosauria (Archosauria: Pseudosuchia) including a New Species from the Upper Triassic of Arizona. Ph.D. dissertation. The University of Texas at Austin, Austin, Texas, 459 pp.
  • Parker, W. G. 2016. Revised phylogenetic analysis of the Aetosauria (Archosauria: Pseudosuchia); assessing the effects of incongruent morphological character sets. PeerJ 4:e1583. doi.org/https://doi.org/10.7717/peerj.1583.
  • Parker, W. G. 2018a. Redescription of Calyptosuchus (Stagonolepis) wellesi (Archosauria: Pseudosuchia: Aetosauria) from the Late Triassic of the southwestern United States with a discussion of genera in vertebrate paleontology. PeerJ 6:e4291. doi.org/https://doi.org/10.7717/peerj.4291.
  • Parker, W. G. 2018b. Anatomical notes and discussion of the first described aetosaur Stagonolepis robertsoni (Archosauria: Suchia) from the Upper Triassic of Europe, and the use of plesiomorphies in aetosaur biochronology. PeerJ 6:e5455. doi.org/https://doi.org/10.7717/peerj.5455.
  • 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., and J. W. Martz. 2011. The Late Triassic (Norian) Adamanian-Revueltian tetrapod faunal transition in the Chinle Formation of Petrified Forest National Park, Arizona. Earth and Environmental Transactions of the Royal Society of Edinburgh 101:231–260.
  • Parker, W. G., J. W. Martz, A. D. Marsh, B. T. Kligman, and C. V. Beightol V. 2018. Examining Late Triassic (Norian-Rhaetian) terrestrial faunal compositions in the Chinle Formation of Northeastern Arizona; implications for Triassic extinction events. Geological Society of America Abstracts with Programs 50: https://doi.org/https://doi.org/10.1130/abs/2018rm-313739.
  • Parrish, J. M. 1999. Small fossil vertebrates from the Chinle Formation (Upper Triassic) of southern Utah. Utah Geological Survey Miscellaneous Publication 99-1:45–50.
  • Pritchard, A. C., and H.-D. Sues. 2019. Postcranial remains of Teraterpeton hrynewichorum (Reptilia: Archosauromorpha) and the mosaic evolution of the saurian postcranial skeleton. Journal of Systematic Palaeontology 20:1745–1765.
  • Racki, G., and S. G. Lucas. 2020. Timing of dicynodont extinction in light of an unusual Late Triassic Polish fauna and Cuvier’s approach to extinction. Historical Biology 4:452–461.
  • Ramezani, J., G. D., Hoke, D. E. Fastovsky, S. A. Bowring, F. Therrien, S. I. Dworkin, S. C. Atchley, and L. C. Nordt. 2011. High-precision U-Pb zircon geochronology of the Late Triassic Chinle Formation, Petrified Forest National Park (Arizona, USA): temporal constraints on the early evolution of dinosaurs. Geological Society of America Bulletin 123:2142–2159.
  • Rasmussen, C., R. Mundil, R. B. Irmis, D. Geisler, G. E. Gehrels, P. E. Olsen, D. V. Kent, C. Lepre, S. T. Kinney, J. W. Geissman, and W.G. Parker. 2020. U-Pb zircon geochronology and depositional age models for the Upper Triassic Chinle Formation (Petrified Forest National Park, Arizona, USA): implications for Late Triassic paleoecological and paleoenvironmental change. Geological Society of America Bulletin 133:539–558.
  • Reyes, W. A., W. G. Parker, and A. D. Marsh. 2021. Cranial anatomy and dentition of the aetosaur Typothorax coccinarum (Archosauria: Pseudosuchia) from the Upper Triassic (Revueltian-mid-Norian) Chinle Formation of Arizona. Journal of Vertebrate Paleontology 40:e1876080.
  • Romer, A. S. 1975. Intercontinental correlations of Triassic Gondwana vertebrate faunas; pp. 469–473; in K. S. W. Campbell (ed.), Gondwana Geology. Australian National University Press, Canberra.
  • Schoch, R. R. 2011a. New archosauriform remains from the German lower Keuper. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 260:87–100.
  • Schoch, R. R. 2011b. A procolophonid-like tetrapod from the German Middle Triassic. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 259:251–255.
  • Schoch, R. R., and H.-D. Sues. 2013. A new archosauriform reptile from the Middle Triassic (Ladinian) of Germany. Journal of Systematic Palaeontology 12:113–131.
  • Shubin, N. H., and H.-D. Sues. 1991. Biogeography of early Mesozoic continental tetrapods: patterns and implications. Paleobiology 17:214–230.
  • Schultz, C. L. 2005. Biostratigraphy of the non-marine Triassic: is a global correlation based on tetrapod faunas possible?; pp. 123–145 in E. A. M. Koutsoukos (ed.), Applied Stratigraphy. Springer, Netherlands.
  • Stocker, M. R. 2012. A new phytosaur (Archosauriformes: Phytosauria) from the Lot’s Wife beds (Sonsela Member) within the Chinle Formation (Upper Triassic) of Petrified Forest National Park, Arizona. Journal of Vertebrate Paleontology 32:573–586.
  • Stocker, M. R. 2013a. Contextualizing Vertebrate Faunal Dynamics: New Perspectives from the Triassic and Eocene of Western North America. Ph.D. dissertation, The University of Texas, Austin, Texas, 297 pp.
  • Stocker, M. R. 2013b. A new taxonomic arrangement for Paleorhinus scurriensis. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 103:251–263.
  • Stocker, M. R., S. J. Nesbitt, B. T. Kligman, D. J. Paluh, A. D. Marsh, D. C. Blackburn, and W. G. Parker. 2019. The earliest equatorial record of frogs from the Late Triassic of Arizona. Biology Letters 15:20180922.
  • Sues, H.-D., and R. R. Schoch. 2013. First record of Colognathus (? Amniota) from the Middle Triassic of Europe. Journal of Vertebrate Paleontology 33:998–1002.
  • Sues, H.-D., J. B. Desojo, and M. D. Ezcurra. 2013. Doswelliidae: a clade of unusual armoured archosauriforms from the Middle and Late Triassic; pp. 49–58 in S. J. Nesbitt, J. B. Desojo, and R. B. Irmis (eds.), Anatomy, Phylogeny, and Paleobiology of Early Archosaurs and their Kin. Geological Society, London, Special Publications 379.
  • Therrien, F., and D. E. Fastovsky. 2000. Paleoenvironments of early theropods, Chinle Formation (Late Triassic), Petrified Forest National Park, Arizona. Palaios 15:194–211.
  • Vermeesch, P. 2020. Maximum depositional age estimation revisited. Geoscience Frontiers. https://doi.org/https://doi.org/10.1016/j.gsf.2020.08.008.
  • Weems, R. E. 1980. An unusual newly discovered archosaur from the Upper Triassic of Virginia, U.S.A. Transactions of the American Philosophical Society 70:1–153.
  • Wegener, A. 1966. The Origin of Continents and Oceans. Translated by John Biram from the Fourth (1929) Revised German Edition. Dover, New York, 246 pp.
  • Whiteside, J. H., D. S. Grogan, P. E. Olsen, and D. V. Kent. 2011. Climatically driven biogeographic provinces of Late Triassic tropical Pangea. Proceedings of the National Academy of Sciences 108:8972–8977.
  • Wynd, B. M., S. J. Nesbitt, M. R. Stocker, and A. B. Heckert. 2019. A detailed description of Rugarhynchos sixmilensis, gen. et comb. nov. (Archosauriformes, Proterochampsia) and cranial convergence in snout elongation across stem and crown archosaurs. Journal of Vertebrate Paleontology 39:e1748042.
  • Zeigler, K. E., and J. W. Geissman. 2011. Magnetostratigraphy of the Upper Triassic Chinle Group of New Mexico: implications for regional and global correlations among Upper Triassic sequences. Geosphere 7:802–829.

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