Genus: Heterodontosaurus CROMPTON & CHARIG, 1962
Etymology: Greek, heteros, “other, different”, Greek, odont- (odous), “tooth”, and Greek, sauros, “lizard”: “different toothed lizard”.

Species: tucki CROMPTON & CHARIG, 1962
Etymology: In honor of the generous help afforded to the Expedition by Mr. G. C. Tuck, managing director of the Austin Motor Co. of South Africa (Proprietary) Ltd.
= Lycorhinus tucki (CROMPTON & CHARIG, 1962) THULBORN, 1970

Holotype: SAM-K-PK337

Locality: Tynindindi, the mountain is behind Tynindindi trading post (?)30°32'S, 27°32'E, at an altitude of about 6.200 ft. on the mountain behind Transkei (Herschel) District, Eastern Cape Province, South Africa.

Horizon: Lower Clarens Formation, Stormbeg Series.

Biostratigraphy:

Age: Hettangian-Sinemurian Stage, Middle-Upper Lias Epoch, Early Jurassic.

Material: Fragmentary skull and lower jaw.

Referred material:

HOPSON, 1980

Locality: 1.770 m above the level on the northern slopes of Krommespruit Mountain, Transkei (Herschel) District, Eastern Cape Province, South Africa.

Horizon: Elliot Formation, Stormberg Series.

Biostratigraphy:

Age: Hettangian-Sinemurian Stage, Middle-Upper Lias Epoch, Early Jurassic.

Material:

SAM-PK-K1332: Skull and mandible and nearly complete skeleton.

After Norman, Crompton, Butler, Porro, & Charig, 2011

 

BUTLER, PORRO & NORMAN, 2008

SAM-PK-10487: Fragmentary skull of a juvenile.

EZCURRA, 2016

SAM-PK-K1334: Partial left maxilla with associated fragments of jugal and lacrimal.

 

Locality: "Voisana" (Vovizane, Foisani), 30°34'S, 27°26'E, Transkei (Herschel) District, Eastern Cape Province, South Africa.

Horizon: Upper Elliot Formation, Stormberg Series.

Biostratigraphy:

Age: Hettangian-Sinemurian Stage, Middle-Upper Lias Epoch, Early Jurassic.

Material:

SAM:

 


Locality: Pokane, 30°20'S, 27°45'E, Lesotho, Southern Africa.

Horizon: Upper Elliot Formation, Stormberg Series.

Biostratigraphy:

Age: Hettangian-Sinemurian Stage, Middle-Upper Lias Epoch, Early Jurassic.

Material:

SAM:

 


cf sp KITCHING & RAATH, 1984

Locality: Tevrede, Bethlehem District, 28°32'S, 28°30'E, South Africa.

Horizon: Clarens Formation, Stormberg Series.

Biostratigraphy:

Age: Late Triassic.

Material:

BP:

 

PORRO, BUTLER, BARRETT, MOORE-FAY & ABEL, 2011 (from 2010)

Locality: Tushielaw Farm, 30.78°S, 27.95°E, near Rhodes, Barkly East District, Eastern Cape Province, South Africa.

Horizon: 'Stormberg Group', presumably from the upper part of the sequence.

Biostratigraphy:

Age: Early Jurassic.

Material:

NM QR 1788: Incomplete articulated skull comprising of the incomplete dentaries, fragments of the postdentary bones, fragments and impressions of the maxillae and maxillary dentition, and a partial palate.