†unranked clade Pantrionychia Joyce et al. 2004 (turtle)
Parent taxon: Cryptodira according to I. G. Danilov and J. F. Parham 2006
Sister taxa: Adocusia, Carettochelyoidea, Chelonemydidae, Chelonioidea, Chersidae, Chitracephalus, Cryptoderinea, Dermatochelydidae, Dermochelyoidea, Durocryptodira, Eucryptodira, Galvechelone, Glyptopidae, Glyptopsidae, Indochelyidae, Kallokibotioninae, Kayentachelyidae, Kinosternia, Kinosternoidae, Meiolanidae, Nanhsiungchelyidae, Panchelonioidea, Pantestudinoidea, Platysternoidea, Polysternum, Selmacryptodira, Trionychia, Trionychidae, Trionychoidea, Tritosternidae
Subtaxa: none
Ecology: aquatic omnivore
Distribution: found only at Wuerho, IVPP site 64041 (Cretaceous of China)