Reptilia - Testudines - Emydidae
Synonym: Cistudinidae Cope 1882
Parent taxon: Testudinoidea according to E. Vlachos 2021
See also Baur 1893, Böhme 2008, Carroll 1988, Cope 1871, Cope 1875, de Broin and de la Fuente 1993, de la Fuente et al. 2018, Frank and Ramus 1996, Gaffney 1975, Hay 1902, Hay 1930, Holman et al. 1990, Holman and Case 1988, Jaekel 1911, Jasinski 2018, Joyce et al. 2004, Kuhn 1946, Leidy 1873, Owen 1842, Parham et al. 2008, Shoshani et al. 1989, Staesche et al. 2007, Stirton 1953, van Dijk et al. 2014, Vlachos 2018, Vlachos and Delfino 2016, Weems and George 2001 and Zittel 1890
Sister taxa: Bergouniouxchelys, Borkenia, Chrysemys (Pseudemys) hibbardi, Clemmys hesperia, Clemmys percrassus, Cucullemys, Cuvierichelys, Emys euglypha, Emys euthnetus, Emys latilabiatus, Emys megaulax, Emys pachylomus, Emys petrolei, Eupachemys obtusus, Euroemys, Francellia, Geoemydidae, Hadrianus allabiatus, Hybemys arenarius, Landreatchelys, Lindholmemydidae, Notomorpha testudinea, Owenemys, Palaeomauremys, Panemydidae, Pangeoemydidae, Pantestudinidae, Promalacoclemmys, Provencemys, Rhinoclemmys nicoyana, Testudinidae, Testudo culbratus, Testudo distans, Testudo isis, Testudo munda, Trachemys delicata, Trachemys nuchocarinata, Wutuchelys
Subtaxa: Batagurinae Callagur Chelonemys Chelopus Chrysemys limnodytes Clemmys hutchensorum Clemmys saxea Deirochelyinae Deirochelys floridana Emydinae 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
Type: Emys
Ecology: aquatic omnivore
Distribution:
• Quaternary of Argentina (4 collections), the Bahamas (1), Bermuda (1), Brazil (1), Bulgaria (2), Canada (1: Quebec), China (3), Croatia (2), the Czech Republic (1), France (6), Germany (5), Greece (11), Haiti (1), Hungary (1), Italy (6), Japan (1), Malta (1), Mexico (1), Monaco (1), the Netherlands (2), Panama (2), Portugal (1), Slovakia (4), Spain (7), Taiwan (1), the United Kingdom (14), United States (112: Alabama, Arizona, California, Florida, Georgia, Illinois, Kansas, Maryland, Michigan, Mississippi, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Sussex, Tennessee, Texas, Virginia, West Virginia), Vietnam (1)
• Blancan of El Salvador (1), Mexico (1), United States (10: Arizona, Florida, Idaho, Nebraska, New Mexico)
• Pliocene to Pleistocene of Italy (1), United States (1: California)
• Pliocene of China (2), France (2), Germany (1), Greece (1), Hungary (1), India (5), Moldova (1), Pakistan (1), Poland (4), the Russian Federation (1), Slovakia (3), Spain (1), Ukraine (2), United States (2: North Carolina, Virginia)
• Hemphillian of Costa Rica (1), United States (23: California, Florida, Idaho, Indiana, Nebraska, Oklahoma, Tennessee, Washington)
• Miocene to Pliocene of Nepal (1)
• Miocene to Pleistocene of United States (1: Nebraska)
• Miocene of Austria (2), Canada (1: Yukon), China (5), France (2), Germany (3), Hungary (3), India (2), Italy (1), Japan (1), Mexico (1), Nepal (2), Portugal (2), Romania (1), the Russian Federation (2), Slovakia (1), Spain (3), Switzerland (1), Thailand (1), Turkey (1), United States (52: Delaware, Florida, Kansas, Maryland, Nebraska, Oklahoma, Oregon, South Dakota, Texas, Washington)
• Neogene of Myanmar (1)
• Harrisonian of United States (1: Nebraska)
• Oligocene to Miocene of Kazakhstan (1)
• Oligocene of China (2), France (4), Georgia (1), Germany (2), Kazakhstan (1), United States (3: Florida, South Dakota, Virginia)
• Eocene of Canada (3: Northwest Territories, Saskatchewan), China (1), France (3), Mongolia (2), Thailand (1), the United Kingdom (8), United States (19: Florida, New Mexico, South Dakota, Texas, Utah, Wyoming)
• Clarkforkian of United States (20: Wyoming)
• Paleocene of United States (4: California, Montana, New Mexico, North Dakota)
• Cretaceous of Romania (1), United States (6: Montana, Wyoming), Uzbekistan (1)
• Triassic of Italy (1)
Total: 434 collections including 560 occurrences