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Baurusuchidae : ウィキペディア英語版
Baurusuchidae

Baurusuchidae is a Gondwanan family of mesoeucrocodylians that lived during the Late Cretaceous. It is a group of terrestrial hypercarnivorous crocodilians from South America (Argentina and Brazil) and possibly Pakistan. Baurusuchidae has been defined as a clade containing the most recent common ancestor of ''Baurusuchus'' and ''Stratiotosuchus'' and all of its descendants. It may, however, be polyphyletic, as recent phylogenetic analyses have placed ''Baurusuchus'' within Notosuchia and other baurusuchids within the more distantly related clade Sebecia. A recent study of the family finds it monophyletic by including the South American genera ''Baurusuchus'', ''Cynodontosuchus'', ''Pissarrachampsa'', ''Stratiotosuchus'', and ''Wargosuchus''. Other traditional baurusuchids like ''Pabwehshi'' are excluded. The recently named ''Campinasuchus'' is also included in the family. Baurusuchids have been placed in the suborder Baurusuchia, and two subfamilies have been proposed: Baurusuchinae and Pissarrachampsinae.
==Genera==
Several genera have been assigned to Baurusuchidae. ''Baurusuchus'' was the first, being the namesake of the family. Remains of ''Baurusuchus'' have been found from the Late Cretaceous Bauru Group of Brazil in deposits that are Turonian - Santonian in age. In addition to ''Baurusuchus'', five other South American crocodyliforms have been assigned to Baurusuchidae: ''Campinasuchus'', ''Cynodontosuchus'', ''Pissarrachampsa'', ''Stratiotosuchus'', and ''Wargosuchus''. ''Cynodontosuchus'' was the first known baurusuchid, named in 1896 by English paleontologist Arthur Smith Woodward, although it was only recently assigned to Baurusuchidae. ''Wargosuchus'' was described in 2008. ''Cynodontosuchus'' and ''Wargosuchus'' are known only from fragmentary remains. Both genera are from the Santonian of Argentina.
A fourth genus, ''Stratiotosuchus'', was assigned to Baurusuchidae in 2001. Fossils have been found from the Turonian - Santonian of Brazil. ''Pabwehshi'' is the youngest genus that has been assigned to Baurusuchidae, and is from the Maastrichtian of Pakistan. It was named in 2001 but has since been reassigned as a basal member of Sebecia.〔
A new genus, ''Campinasuchus'', was assigned to the family in May, 2011. It is known from the Turonian-Santonian Adamantina Formation of the Bauru Basin of Brazil. Soon after, the new genus ''Pissarrachampsa'' was named from the Campanian–Maastrichtian Vale do Rio do Peixe Formation, also in the Bauru Basin.

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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