Genus: Sthenarosaurus WATSON, 1911 (nomen dubium)
Etymology: Greek, sthenaros, “strong, robust” and Greek, sauos, “lizard”: Strong lizard.

Species: dawkins WATSON, 1911
Etymology:

Holotype: MANCH L8023

Locality: Saltwick, Whitby, Yorkshire County, England, Southern United Kingdom.

Horizon:

Biostratigraphy: Hildoceras bifrons zone, Dactyloceras commune subzone?.

Age: Toracian Stage, Upper Lias Epoch, Early Early Jurassic.

Material: Vertebrae, girdles and limb bones.

Referred material:

PERSSON

Locality: Jeandelaincourt, Meurthe-et-Moselle Department, North East France.

Horizon:

Biostratigraphy: Amaltheus margitatus zone.

Age: Middle Lias Epoch, Middle Early Jurassic.

Material:

Number: Not given: Limb bones.