Three specimens are known for Bathysuchus: the holotype, NHMUK PV OR 43086, and DORCM G..5067i-v are both incomplete snouts from Kimmeridge Bay, Dorset, part of the deep water Kimmeridge Clay Formation. An additional skull from the slightly older Aulacostephanus eudoxus Sub-Boreal ammonite Zone of “La Crouzette”, Francoulès, is known from Quercy, France.
