Superfamily Chelydroidea Baur 1893
Full reference: G. Baur. 1893. Notes on the classification of the Cryptodira. American Naturalist 27(319):672
Parent taxon: Eucryptodira according to I. Danilov et al. 2014
See also Baur 1893 and Knauss et al. 2011
Sister taxa: Adocoidea, Angolachelonia, Borealochelys, Centrocryptodira, Enaliochelys, Hoyasemys, Macrobaenoidea, Peltochelyidae, Plesiochelyoidea, Polycryptodira, Sandownidae, Sinemydidae, Tienfucheloides, Xinjiangchelyidae, Xinjiangchelyoidea
Subtaxa: Chelydridae Panchelydridae Pankinosternoidea Planetochelyidae
Type: Chelydridae