Genus: Lurdusaurus TAQUET & RUSSELL, 1999
Etymology: Latin, luruds, “heavy”, in reference to both weight and significance, and Greek, sauros, “Lizard”: Heavy lizard.

Species: arenatus TAQUET & RUSSELL, 1999
Etymology: Latin, arenatus, "sandy."

Holotype: MNHN GDF 1700

Locality: ‘Camp des deux arbres,” 7 km southeast of Elrhaz, 16 degrees 42’ latitude and 9 degrees 20; longitude, Gisement de Gadoufaouna, 100 m north of the type locality of Ouranosaurus nigeriensis Niger.

Horizon: Level GAD 5, upper part of the Elrhaz Formation, Tegama Series.

Biostratigraphy:

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

Material: Fragmentary skull and fragmentary skeleton.

Note: Left prepubis bears two transversely-orineted teeth punctures, and was partly rehealded with the distal, broken segment offset laterally.