†unranked clade Pankinosternoidea Joyce et al. 2004 (turtle)

Reptilia - Testudines

Parent taxon: Chelydroidea according to T. R. Lyson et al. 2017

See also Joyce and Bourque 2016

Sister taxon: Panchelydridae

Subtaxa: Emarginachelys Lutemys Planetochelys Tullochelys

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Ecology: aquatic omnivore


• Eocene of United States (22: New Mexico, Wyoming collections)

• Paleocene of United States (6: Montana, Virginia)

• Cretaceous of United States (9: Montana, North Dakota, Utah, Wyoming)

Total: 37 collections each including a single occurrence

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