Parent taxon: Chelonia according to L. I. Khosatzky and M. Mlynarski 1971
Sister taxa: Amphichelydia, Apertotemporalis, Apholidemys, Asturichelys, Casichelydia, Chelone obovata, Chelone sopita, Chelonipus, Cryptodira, Cryptrodiramorpha, Entoplastrites, Euclastochelys, Euclastochelys interrupta, Haichemydidae, Kallokibotionidae, Larachelus, Meiolania damelipi, Odontochelys, Pancryptodira, Panpleurodira, Platychelone, Platychelone emarginata, Plesiochelydiae, Pleurodira, Podocnemis lata, Proganochelydia, Senonemys suemegensis, Sinochelyidae, Sokotochelys, Tacuarembemys, Temnoclemmys cordiformis, Triassochelys, Trionyx fuchienensis, Trionyx tshelkarensis, Chelonoides, Protemys, Chelycarapookidae, Pseudosphargis, Padiochelys, Therezinosaurus, Glaucochelone, Tomochelone, Pachychelys, Oligochelone, Halmyrachelidae, Marina, Cryptodiramorpha, Fluvialia, Paludinosa, Terrestria
Subtaxa: none
Ecology:
Distribution: there are no occurrences of Metachelydia in the database