Kingdom Animalia Class Reptilia Suborder Cryptodira Rank Genus | Phylum Chordata Order Testudines Clade Americhelydia | |
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Emarginachelys cretacea is the earliest described chelydrid of the genus Emarginachelys, known from well preserved fossils from the Maastrichtian stage of the Late Cretaceous of Montana.
References
Emarginachelys Wikipedia(Text) CC BY-SA