Genus: Coloradisaurus LAMBERT, 1983
Etymology: To replace preoccupied Colaradia, and Greek, sauros, "lizard": “Los Colorados lizard”.
= Coloradia BONAPARTE, 1978 non BLAKE, 1863 (Coloradia caballensis, Lepidoptera, Saturniidae)
Etymology: In reference to the Los Colorados Formation of La Rioja Province, Argentina.

Species: brevis (BONAPARTE, 1978) LAMBERT, 1983
Etymology: Latin, brevis, "short."
= Coloradia brevis BONAPARTE, 1978

Holotype: PVL 3967

Locality: La Esquina, Pagancillo, Department Gral. Lavalle, La Rioja Province, Argentina.

Horizon: Los Coloardos Formation.


Age: Norian Stage, Middle Late Triassic Epoch, Late Triassic.

Material: Skull, mandible, 3 cervicals, 2 dorsal and 3 caudal vertebrae, scapula, coracoid and fragmentary humerus, portions of ulna and radius, carpals, fragmentary metacarpals, and phalanges, 1 complete astratalus and phalanges.

After BONAPARTE, 1978.

Coloradisaurus brevis (after APALDETTI, MARTINEZ, POL, & SOUTER, 2014), Holotype: PVL 3967.

Referred material:


PVL 5094 (field number #6): A single anterior cervical vertebra (C3 or C4), an almost complete dorsal series (D2-D13), an isolated anterior caudal, and two fused midcaudals (paleopathology), complete left scapula and coracoid, isolated right coracoid, right humerus, left metacarpal III, partial left ilium, articulated pubes, right ischium, both femora, both tibiae, proximal third of the left fibula, left astragalus, a medial left distal tarsal and complete left pes.