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Trucidocynodon : ウィキペディア英語版 | Trucidocynodon
''Trucidocynodon'' is an extinct, monotypic genus of cynodont from Upper Triassic of Brazil. ''Trucidocynodon riograndensis'' is the only species descript for genus. ''Trucidocynodon riograndensis'', the sole species in ''Trucidocynodon'', lived in what is now southern Brazil 220 million years ago. Fossils of ''Trucidocynodon'' were discovered in Santa Maria Formation outcrops in Paleorrota geopark Agudo. ''T. riograndensis'' is similar to the ''Ecteninion lunensis'' from the Upper Triassic Ischigualasto formation in Argentina. It is particularly notable for its large size, comparable to that of a modern leopard, which contradicts the idea that cynodonts became less ecologically diverse due to comeptition from archosaurs.〔Oliveira, T.V.; Soares, M.B.; Schultz, C.L. (2010). "Trucidocynodon riograndensis gen. nov. et sp. nov. (Eucynodontia), a new cynodont from the Brazilian Upper Triassic (Santa Maria Formation)". Zootaxa 2382: 1–71.〕 ==See also==
* List of therapsids
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