Full reference: E. S. Gaffney. 1975. A taxonomic revision of the Jurassic turtles Portlandemys and Plesiochelys. American Museum Novitates 2574:1-19
Parent taxon: Testudines according to I. Danilov et al. 2014
See also de Broin 1987, Gaffney 1975, Gaffney 1975, Gaffney 1975, Gaffney et al. 1998, Gaffney et al. 2006, Hirayama and Hikida 1998, Previtera and González Riga 2008 and Sullivan et al. 1988
Sister taxa: Amphichelydia, Apertotemporalis, Apholidemys, Asturichelys, 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, Glaucochelone, Halmyrachelidae, Chelycarapookidae, Pachychelys, Pseudosphargis, Metachelydia, Oligochelone, Padiochelys, Therezinosaurus, Chelonoides, Protemys, Tomochelone, Marina, Fluvialia, Terrestria, Cryptodiramorpha, Paludinosa
Subtaxa: none
Ecology: planktonic suspension feeder
Distribution: there are no occurrences of Casichelydia in the database