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Emarginachelys

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Emarginachelys
Temporal range: Maastrichtian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Cryptodira
Clade: Americhelydia
Genus: Emarginachelys
Whetstone, 1978
Species:
E. cretacea
Binomial name
Emarginachelys cretacea
Whetstone, 1978

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]

References

[edit]
  1. ^ Emarginachelys cretacea, Paleobiology Database
  2. ^ 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.
  3. ^ 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.
  4. ^ 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.
  5. ^ 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.
  6. ^ 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.