Full reference: I. G. Danilov and J. F. Parham. 2008. A reassessment of some poorly known turtles from the Middle Jurassic of China, with comments on the antiquity of extant turtles. Journal of Vertebrate Paleontology 28(2):306-318
Parent taxon: Cryptodira according to I. G. Danilov and J. F. Parham 2008
Sister taxa: Adocusia, Carettochelyoidea, Chelonemydidae, Chelonioidea, Chersidae, Chitracephalus, Cryptoderinea, Dermatochelydidae, Dermochelyoidea, Eucryptodira, Galvechelone, Glyptopidae, Glyptopsidae, Indochelyidae, Kallokibotioninae, Kayentachelyidae, Kinosternia, Kinosternoidae, Meiolanidae, Nanhsiungchelyidae, Panchelonioidea, Pantestudinoidea, Pantrionychia, Platysternoidea, Polysternum, Selmacryptodira, Trionychia, Trionychidae, Trionychoidea, Tritosternidae
Subtaxa: Toxochelys
Ecology: aquatic omnivore
Distribution:
• Miocene of United States (2: Nebraska collections)
• Cretaceous of Angola (1), Canada (5: Manitoba), United States (24: Alabama, Arkansas, Delaware, Kansas, South Carolina, South Dakota, Tennessee)
Total: 32 collections each including a single occurrence