Parent taxon: Chelonii according to J. H. Hutchison and P. A. Holroyd 2003
See also Parham and Hutchison 2003
Sister taxa: Amphichelydia, Apertotemporalis, Apholidemys, Asturichelys, Casichelydia, Chelone obovata, Chelone sopita, Chelonipus, Cryptodira, Cryptrodiramorpha, Entoplastrites, Euclastochelys, Euclastochelys interrupta, Haichemydidae, Larachelus, Meiolania damelipi, Odontochelys, Pancryptodira, Panpleurodira, Platychelone, Platychelone emarginata, Plesiochelydiae, Pleurodira, Podocnemis lata, Proganochelydia, Senonemys suemegensis, Sokotochelys, Tacuarembemys, Temnoclemmys cordiformis, Triassochelys, Trionyx fuchienensis, Trionyx tshelkarensis, Glaucochelone, Padiochelys, Chelonoides, Metachelydia, Chelycarapookidae, Therezinosaurus, Oligochelone, Halmyrachelidae, Pachychelys, Protemys, Tomochelone, Pseudosphargis, Terrestria, Paludinosa, Fluvialia, Marina
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Cryptodiramorpha in the database