Genus: Genusaurus ACCAIRE, BEAUDOIN, DEJAX, FRIES, MICHARD & TAQUET, 1995
Etymology: Latin, geniculum, "diminutive": for the fact of the illusion of the nemial crest of the proximal end of the tibia, and Greek, sauros, "lizard.'

Species: sisteronis ACCAIRE, BEAUDOIN, DEJAX, FRIES, MICHARD & TAQUET, 1995
Etymology: In reference to the village Sisteron, Alpes de Haute-Province, France.

Holotype: MNHN. Be 1

Locality: Bevons, 4,250 km au SW of Sisteron, Alpes de Haute-Province, France.

Horizon: Argiles verdatres and sables glauconieux de Bevons.

Biostratigraphy:

Age: Middle Albian Stage, Middle Gallic Epoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Left ilium, proximal end of left pubis, left femur, proximal end of left tibia and fibula, tarsal, 1 sacral vertebrae, and dorsal centra.