Full reference: W. G. Joyce. 2017. A Review of the Fossil Record of Basal Mesozoic Turtles. Bulletin of the Peabody Museum of Natural History 58(1):65-113
Parent taxon: Testudinata according to P. P. Skutschas et al. 2020
See also Joyce 2017 and Sterli et al. 2019
Sister taxa: Amblypus, Ancyropus, Aplax oberndorferi, Australochelyidae, Australochelys, Chelichnus, Chelonipedidae, Chelycarapookus, Chelycarapookus arcuatus, Chelys blakii, Chelytherium, Chelytherium obscurum, Chengyuchelyidae, Chengyuchelys, Chinlechelys, Emys neumayri, Emys paranensis, Heckerochelyidae, Helcura, Kallokibotion, Megasternon, Mongolochelyidae, Odontochelyidae, Odontochelys, Palaeochersis, Perichelydia, Platemys sehuensis, Platycheloides, Proganochelys, Proterochersidae, Proterochersis, Protochelys, Siamochelys, Testudines, Testudinites, Testudo elata, Testudo stricklandi, Testudoolithidae, Trachydermochelys, Trachydermochelys phlyctaenus, Tretosternon punctatum, Trionyx mammillaris
Subtaxa: Condorchelys Eileanchelys Heckerochelys Indochelys Kayentachelys
Ecology:
Distribution:
• Cretaceous of the Russian Federation (1 collection)
• Jurassic of Argentina (1), India (1), the Russian Federation (1), the United Kingdom (1), United States (2: Arizona)
Total: 7 collections each including a single occurrence