Saurischia

plural noun
Saur·​is·​chia | \ sȯˈriskēə\

Definition of Saurischia

: an order of archosaurian reptiles comprising the saurischians

First Known Use of Saurischia

1888, in the meaning defined above

History and Etymology for Saurischia

New Latin, from saur- + Latin ischium hip joint + New Latin -ia

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