Genus: Dubreuillosaurus ALLAIN, 2005 (published 2006)
Etymology: In honor of Dubreuil family, who found the specimen in 1994, and Greek, sauros, "lizard."
Species: valesdunensis (ALLAIN, 2002) ALLIAN, 2005 (published 2006)
= Poekilopleuron? valesdunensis ALLIAN, 2002
Etymology: In reference to "Val-es-Dunes", the Norman name of a battlefield near Conteville where the rebellious Bessin and Cotentin barons were defeated by William the Conqueror in 1047, and Latin, ensis, "from."
Holotype: MNHN 1988-13
Locality: Conteville, Calvados Department, Normandy, France.
Horizon: 'Calcaire de Caen' Formation.
Biostratigraphy: Progracilis progracilis zone.
Age: Middle Bathonian Stage, Lower Dogger Epoch, Middle Jurassic.
Material: Nearly complete skull and associated postcranial material including cervical, dorsal, sacral, and caudal vertebrae, ribs, chevron bones, sacpula coracoid, femur, fibula, and fifth metatarsal.