Shuvosauridae

Shuvosauridae; Temporal range: Late Triassic, 235–201.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N
	Mounted skeleton of Sillosuchus longicervix in Japan
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Archosauria
Clade:	Pseudosuchia
Clade:	†Poposauroidea
Family:	†Shuvosauridae; Chatterjee, 1993
Genera
	† Shuvosaurus; † Effigia; † Sillosuchus;

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Shuvosauridae is an extinct family of theropod-like pseudosuchians within the clade Poposauroidea. Shuvosaurids existed in North America (United States) and South America (Argentina) during the Late Triassic period (late Carnian to Rhaetian stages). Shuvosauridae was named by Sankar Chatterjee in 1993 to include the genus Shuvosaurus.

In a 2007 study Chatterjeea was demonstrated to be a junior synonym of Shuvosaurus, and the therein cladistic analysis found that Shuvosaurus, Effigia and Sillosuchus all form a closely related group. However, this group was left nameless, and simply referred to as Group Y. However, in accordance with ICZN rules of naming priority Shuvosauridae has priority over Chatterjeeidae (Shuvosauridae being named in 1993,^[1] while Chatterjeeidae was named in 1995).^[2]^[3] In 2011, Sterling J. Nesbitt proposed a new definition to this clade: "The least inclusive clade containing Shuvosaurus inexpectatus Chatterjee, 1993, and Sillosuchus longicervix Alcober and Parrish, 1997".^[4]

References

^ Sankar Chatterjee (1993). "Shuvosaurus, a new theropod: an unusual theropod dinosaur from the Triassic of Texas". National Geographic Research and Exploration. 9 (3): 274–285.
^ Long RA, Murry PA (1995). "Late Triassic (Carnian and Norian) tetrapods from the Southwestern United States". New Mexico Museum of Natural History & Science Bulletin. 4: 1–254.
^ Sterling J. Nesbitt (2007). "The anatomy of Effigia okeeffeae (Archosauria, Suchia), theropod-like convergence, and the distribution of related taxa". Bulletin of the American Museum of Natural History. 302: 84 pp. doi:10.1206/0003-0090(2007)302[1:TAOEOA]2.0.CO;2. hdl:2246/5840. S2CID 55677195.
^ Sterling J. Nesbitt (2011). "The Early Evolution of Archosaurs: Relationships and the Origin of Major Clades". Bulletin of the American Museum of Natural History. 352: 1–292. doi:10.1206/352.1. hdl:2246/6112. S2CID 83493714.

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[Chattterjee1993-1] Sankar Chatterjee (1993). "Shuvosaurus, a new theropod: an unusual theropod dinosaur from the Triassic of Texas". National Geographic Research and Exploration. 9 (3): 274–285.

[LongMurry1995-2] Long RA, Murry PA (1995). "Late Triassic (Carnian and Norian) tetrapods from the Southwestern United States". New Mexico Museum of Natural History & Science Bulletin. 4: 1–254.

[Nesbitt2007-3] Sterling J. Nesbitt (2007). "The anatomy of Effigia okeeffeae (Archosauria, Suchia), theropod-like convergence, and the distribution of related taxa". Bulletin of the American Museum of Natural History. 302: 84 pp. doi:10.1206/0003-0090(2007)302[1:TAOEOA]2.0.CO;2. hdl:2246/5840. S2CID 55677195.

[Nesbitt11-4] Sterling J. Nesbitt (2011). "The Early Evolution of Archosaurs: Relationships and the Origin of Major Clades". Bulletin of the American Museum of Natural History. 352: 1–292. doi:10.1206/352.1. hdl:2246/6112. S2CID 83493714.

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