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Cynognathia
Cynognathia ("dog jaw") is one of two major clades of cynodonts, the other being Probainognathia. Cynognathians included the large carnivorous genus ''Cynognathus'' and the herbivorous traversodontids. Cynognathians can be identified by several synapomorphies including a very deep zygomatic arch that extends above the middle of the orbit. The cynognathians are the longest lived non-mammalian therapsid clade extending from Triassic to the Late Triassic. Cynognathian fossils are currently known from South America, Antarctica, and South Africa. ==Taxonomy==
*Suborder Cynodontia * *Infraorder Eucynodontia * * *(unranked) Cynognathia * * * *Family Cynognathidae * * * * *''Cynognathus''
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「Cynognathia」の詳細全文を読む
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