Genus: Elrhazosaurus GALTON, 2009
Etymology: In reference to the Elrhaz Formation, and Greek, sauros, "lizard."

Species: nigeriensis (GALTON & TAQUET, 1982) GALTON, 2009
= Valdosaurus nigeriensis GALTON & TAQUET, 1982
Etymology: In reference to the Republic of Niger, Africa.

Holotype: MNHN GDF 332

Locality: Gadoufaoua, the region of Niveau des Innocents, Republic of Niger, Africa.

Horizon: GAD 5, upper part of El Rhaz Formation, Tegama Series.

Biostratigraphy:

Age: Aptian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Left femur.

Referred material:

MNHN GDF 335: Ends of a small left femur.

MNHN GDF 336: Slender right humerus.

MNHN GDF 337,338: Two small phalanges of the pes.