Reptilia - Testudines - Emydidae
Parent taxon: Emydidae according to J. W. Bickham 1975
See also Bourque 2016, Ernst and Barbour 1989, Estes 1964, Estes and Berberian 1970, Estes and Tihen 1964, Holman 2002, Kuhn 1966, Lydekker 1889, Melentis 1966, Perrier 1928 and van Dijk et al. 2014
Sister taxa: Batagurinae, Callagur, Chelonemys, Chelopus, Chrysemys limnodytes, Clemmys hutchensorum, Clemmys saxea, Deirochelyinae, Deirochelys floridana, Emydoidea, Emydoidea hutchisoni, Emys, Epiemys, Glyptemys, Grayemys, Gyremys, Hieremys, Hybemys, Lyssemys, Malacoclemmys, Palaeotheca, Polyechmatemys, Pseudemys, Pseudemys bisornatus, Pseudemys extincta, Pseudemys hillii, Pseudochrysemys, Pseudograptemys, Pyxidea, Sakya, Senryuemys, Shansiemys, Sharemys, Terrapene
Subtaxa: Actinemys Clemmys Emyda Wilburemys
Type: Emys
Ecology: aquatic omnivore
Distribution:
• Quaternary of Canada (1: Quebec collection), Japan (1), United States (11: California, Florida, Texas)
• Pliocene of China (2), France (2), Pakistan (1), Poland (2), the Russian Federation (1), Ukraine (1)
• Hemphillian of Costa Rica (1), United States (1: Washington)
• Miocene of Austria (1), India (1), the Russian Federation (1), Slovakia (1), United States (6: Nebraska)
• Oligocene to Miocene of Kazakhstan (1)
• Oligocene of France (1), Georgia (1), United States (1: Florida)
• Eocene of Canada (1: Northwest Territories)
• Cretaceous of United States (6: Montana, Wyoming)
Total: 45 collections each including a single occurrence