Caririemys gen. nov.
Etymology: Caririemys, in allusion to the town of Santana do Cariri, where most of the fossils from the Romualdo Member come from and emys, from the Greek language turtle.
Diagnosis: The same as for the species.
Cryptodira Protostegidae Santanachelys gaffneyi Hirayama, 1998
Pleurodira Araripemydidae Araripemys barretoi Price, 1973
Pleurodira Araripemydidae Araripemys arturi Fielding, Martill & Naish, 2005 Pleurodira Brasilemydidae Brasilemys josai Lapparent de Broin, 2000
Pleurodira Bothremydidae Cearachelys placidoi Gaffney, Campos & Hirayama, 2001 Pleurodira Indet. family Caririemys violetae gen. et sp. nov described here