Genus: Colbertosaurus MINOPRIO, 1957
Etymology: To replace Colbertia; In honor of Edwin Harris Colbert, and Greek, sauros, "lizard."
= Colbertia MINOPRIO 1954 non COUTO, 1952 (Colbertia magellanica, Mammalia, Oldfieldthomasiidae)
Etymology: In honor of Edwin Harris Colbert.

Species: muralis (MINOPRIO, 1954) MINOPRIO, 1957
Etymology:
= Colbertia muralis MINOPRIO, 1954

Holotype: AMNH FARB 7610 (cast)

Locality: Obligacion Quarry, Cubhilla de las Vacas, 20 km to the west of the city of Mendoza, Mendoza Province, Argentina.

Horizon: Lower beds of the Potrerillos Formation.

Biostratigraphy:

Age: Middle Triassic.

Material: Fragmentary lower jaw.