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Emarginachelys 
Summary
Emarginachelys cretacea is a turtle belonging to the group Cryptodira, known from well preserved fossils from the Maastrichtian stage of the Late Cretaceous of Montana.[1] Its exact phylogenetic position within Cryptodira is uncertain; different authors considered it to be either the earliest described chelydrid[2][3] or a fossil relative of kinosternoids.[4][5][6]
| Emarginachelys Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Cryptodira |
| Clade: | Americhelydia |
| Genus: | †Emarginachelys Whetstone, 1978 |
| Species: | †E. cretacea
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| Binomial name | |
| †Emarginachelys cretacea Whetstone, 1978
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References edit
- ^ Emarginachelys cretacea, Paleobiology Database
- ^ Kenneth N. Whetstone (1978). "A new genus of cryptodiran turtles (Testudinoidea, Chelydridae) from the Upper Cretaceous Hell Creek Formation of Montana". University of Kansas Science Bulletin. 51 (17): 539–563. doi:10.5962/bhl.part.17248.
- ^ Georgia E. Knauss; Walter G. Joyce; Tyler R. Lyson; Dean Pearson (2011). "A new kinosternoid from the Late Cretaceous Hell Creek Formation of North Dakota and Montana and the origin of the Dermatemys mawii lineage". Paläontologische Zeitschrift. 85 (2): 125–142. doi:10.1007/s12542-010-0081-x. S2CID 129123961.
- ^ Peter A. Meylan; Eugene S. Gaffney (1989). "The skeletal morphology of the Cretaceous cryptodiran turtle, Adocus, and the relationships of the Trionychoidea". American Museum Novitates (2941): 1–60. hdl:2246/5096.
- ^ Walter G. Joyce (2016). "A Review of the Fossil Record of Turtles of the Clade Pan-Chelydridae" (PDF). Bulletin of the Peabody Museum of Natural History. 57 (1): 21–56. doi:10.3374/014.057.0103. S2CID 87234846.
- ^ Walter G. Joyce; Jason R. Bourque (2016). "A Review of the Fossil Record of Turtles of the Clade Pan-Kinosternoidea" (PDF). Bulletin of the Peabody Museum of Natural History. 57 (1): 57–95. doi:10.3374/014.057.0104. S2CID 87607626.