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Peirosauridae is a Gondwanan family of mesoeucrocodylians that lived during the Cretaceous period. It was a clade of terrestrial crocodyliforms that evolved a rather dog-like form, and were terrestrial carnivores. It was phylogenetically defined in 2004 as the most recent common ancestor of ''Peirosaurus'' and Lomasuchinae and all of its descendants. Lomasuchinae is a subfamily of peirosaurids that includes the genus ''Lomasuchus''. Lomasuchinae was defined in the same 2004 study as the most recent common ancestor of ''Lomasuchus'' and Mahajangasuchini and all of its descendants. Mahajangasuchini, also constructed in the study, was defined as the most recent common ancestor of ''Mahajangasuchus'' and ''Uberabasuchus'' and all of its descendants.〔 However, all more recent phylogenetic analyses placed ''Mahajangasuchus'' within its own family, Mahajangasuchidae, along with the newly named ''Kaprosuchus''. ==Genera== The following list of genera follows Martinelli ''et al.'', 2012 unless otherwise noted. *''Barcinosuchus'' from the Aptian - Albian of Argentina. *''Bayomesasuchus'' from the Turonian - Cenomanian of Argentina. *''Gasparinisuchus'' from the Santonian - early Campanian of Argentina. *''Hamadasuchus'' from the Albian - Cenomanian of Morocco. *''Lomasuchus'' from the Santonian of Argentina. *''Montealtosuchus'' from the Turonian - Santonian of Brazil. *''Peirosaurus'' from the late Maastrichtian of Brazil. *''Pepesuchus'' from the Campanian - Maastrichtian of Brazil. *''Uberabasuchus'' from the late Maastrichtian of Brazil. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Peirosauridae」の詳細全文を読む スポンサード リンク
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