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Temporal range: Early Triassic
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Family: Prolacertidae
Genus: Vritramimosaurus
Sennikov, 2005
  • V. dzerzhinskii Sennikov, 2005 (type)

Vritramimosaurus is an extinct genus of giant prolacertid prolacertiform. Compared to other members of the family Prolacertidae, Vritramimosaurus was large and highly specialized.[1] Fossils have been found from Early Triassic deposits of the Rassypnaya locality in Orenburg Oblast, Russia. Rassypnaya is located on the Obshchy Syrt, a plateau in the European part of Russia that extends southwest of the Urals toward the Volga River. Vritramimosaurus is similar to the later genus Malutinisuchus, also from Rassypnaya but present in Middle Triassic deposits.[2]


  1. ^ Sennikov, A.G. (2005). "A new specialized prolacertilian (Reptilia: Archosauromorpha) from the Lower Triassic of the Orenburg Region". Paleontological Journal 39 (2): 199–209. 
  2. ^ Shishkin, M.A.; Sennikov, A.G.; Novikov, I.V.; Ilyina, N.V. (2006). "Differentiation of tetrapod communities and some aspects of biotic events in the early triassic of Eastern Europe". Paleontological Journal 40 (1): 1–10. doi:10.1134/S0031030106010011.