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suchia
Suchia is a clade of archosaurs that includes all pseudosuchians except for the ornithosuchids. It includes crocodilians and their extinct relatives. It was defined as the least inclusive clade containing ''Aetosaurus ferratus'', ''Rauisuchus tiradentes'', '' Prestosuchus chiniquensis'', ''Gracilisuchus stipanicicorum'', and ''Crocodylus niloticus'' (the living Nile crocodile) by Nesbitt (2011).
==Classification==
It was originally defined by Krebs in 1974. Paul Sereno provided a different definition, which included ''Gracilisuchus stipanicicorum'', Aetosauria, Rauisuchia, Poposauridae, Crocodylomorpha, and all descendants of their common ancestor. Nesbitt (2011) redefined it as the least inclusive clade containing ''Aetosaurus ferratus'', ''Rauisuchus tiradentes'', '' Prestosuchus chiniquensis'', and ''Crocodylus niloticus'' (the living Nile crocodile). Suchia, therefore, is a node-based taxon. It includes crocodylomorphs and more basal Triassic forms like aetosaurs and rauisuchians.〔 Butler ''et al.'' (2011) found that Suchia includes ''Gracilisuchus'', ''Turfanosuchus'', ''Revueltosaurus'', Aetosauria, ''Ticinosuchus'', and paracrocodylomorphs.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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