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Temporal range: Early Triassic
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Trilophosauria (?)
Family: Trilophosauridae (?)
Genus: Coelodontognathus
Otshev, 1967
  • C. donensis Otshev, 1967 (type)
  • C. ricovi Otshev, 1967

Coelodontognathus is an extinct genus of reptile from the Early Triassic of European Russia. It was originally described as a procolophonid parareptile in 1967 but was reclassified as a possible trilophosaurid archosauromorph in 2008. The genus includes two species: C. donensis and C. ricovi. Fossils have been found in the Olenekian-age Donskaya Luka fossil locality near the Don River in Ilovlinsky District, Volgograd Oblast.[1] Vitalia is another Early Triassic reptile from Donskaya Luka that was first identified as a procolophonid and later reclassified as a trilophosaurid. Coelodontognathus and Vitalia are similar to procolophonids in that they have wide teeth but differs from them in that they have tooth roots set deep into the jaws.[2]


  1. ^ Sennikov, A. G. (2012). "The first ctenosauriscid (Reptilia: Archosauromorpha) from the Lower Triassic of Eastern Europe". Paleontological Journal 46 (5): 499–511. doi:10.1134/S0031030112050097. 
  2. ^ Säilä, L. K. (2009). "Alpha Taxonomy of the Russian Permian Procolophonoid Reptiles". Acta Palaeontologica Polonica 54 (4): 599–608. doi:10.4202/app.2009.0017.