Proexochokefalos

Proexochokefalos (meaning "big head with big tuberosities") is an extinct genus of machimosaurid teleosauroid from the Jurassic of France
Classification.
The type species, "S. heberti", was originally named "Steneosaurus" "heberti" by Morel de Glasville in 1876 from a complete skull and mandible (MNHN.F 1890-13) found in the Callovian aged Marnes de Dives near Villers-sur-mer in the Calvados department of Normandy, France. "Steneosaurus depressus" is a junior synonym. Another species referred to the genus, "Proexochokefalos" cf. "bouchardi" is known from remains from the Calcaire de Caen, France and Reuchenette Formation, Switzerland.