Alternative combination: Emys lativertebralis
Synonyms: Chrysemys inornata Loomis 1904, Echmatemys douglassi Gilmore 1915, Echmatemys hollandi Gilmore 1915, Echmatemys rivalis Hay 1909, Emys shaughnessiana Cope 1882, Emys shaugnessiana Cope 1882, Graptemys cordifera Clark 1937, Graptemys inornata Loomis 1904, Pseudograptemys inornata Loomis 1904
Full reference: E. D. Cope. 1877. Report upon the extinct Vertebrata obtained in New Mexico by parties of the Expedition of 1874. Report upon United States Geographical Surveys West of the One Hundredth Meridian 4:1-370
Sister taxa: Echmatemys arethusa, Echmatemys callopyge, Echmatemys cibollensis, Echmatemys depressa, Echmatemys haydeni, Echmatemys jeanesi, Echmatemys naomi, Echmatemys stevensoniana, Echmatemys wyomingensis, Palaeotheca polycypha, Palaeotheca terrestris
- Echmatemys lativertebralis: USNM 2576 (holotype), a partial shell (shell fragments constituting an almost complete shell). Its type locality is Gallinas River region, which is in a Wasatchian terrestrial horizon in New Mexico.
- Chrysemys inornata: Its type locality is Bear Creek (Middle Titanotherium Beds), which is in a Chadronian fluvial-lacustrine siliciclastic in the Chadron Formation of South Dakota.
- Echmatemys douglassi: CM 3244, a shell. Its type locality is Red Bluff Wash, which is in an Uintan terrestrial horizon in the Uinta Formation of Utah.
- Echmatemys hollandi: CM 3249, a shell. Its type locality is Skull Butte, southwest of Well No. 2, which is in an Uintan terrestrial horizon in the Uinta Formation of Utah.
- Echmatemys rivalis: USNM V 5781, a partial skeleton. Its type locality is North Rawlins coalfield, which is in a Wasatchian terrestrial horizon in Wyoming.
- Emys shaughnessiana: AMNH 1069 (holotype), a shell. Its type locality is Cottonwood Creek badlands (Bridger B), which is in a Bridgerian terrestrial horizon in Wyoming.
- Graptemys cordifera: YPM (PU) 13838, a shell (carapace and plastron). Its type locality is Quinn Draw (Middle Titanotherium Beds), which is in a Chadronian terrestrial horizon in the Chadron Formation of South Dakota.
Total: 25 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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