†family Sinemydidae Yeh 1963 (turtle)
Parent taxon: Eucryptodira according to H. Tong and D. Brinkman 2012
Sister taxa: Angolachelonia, Borealochelys, Caretta, Centrocryptodira, Chelycarapookus, Eurysternidae, Hoyasemys, Liaochelys, Polycryptodira, Salasemys, Sandownidae, Wuguia
Subtaxa: Hongkongochelys, Kirgizemynae, Manchurochelys, Sinemys
Ecology: