Temporal range: Late Triassic, Carnian–Rhaetian
|Mounted skeleton of Sillosuchus longicervix in Japan|
Shuvosauridae is an extinct family of theropod-like pseudosuchian within the clade Poposauroidea. Shuvosaurids existed in North (USA) 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, while Chatterjeeidae was named in 1995). 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".
- 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.
- Sterling J. Nesbitt (2011). "The Early Evolution of Archosaurs: Relationships and the Origin of Major Clades" (PDF). Bulletin of the American Museum of Natural History 352: 1–292. doi:10.1206/352.1.
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