Eurysternidae

Eurysternidae is an extinct family of turtles in the clade Thalassochelydia. It consists of several genera of marine turtles from marine deposits in Europe, including Achelonia, Chelonides, Eurysternum. Hydropelta, Chelonides, Idiochelys, Palaeomedusa, Parachelys. and Solnhofia.