Genus: Trematosuchus WATSON, 1919
Etymology: Greek, trema (genitive: trematos), "hole, opening" and Greek, soukos, "crocodile."

Species: sobeyi (HAUGHTON, 1915) WATSON, 1919
Etymology: In refernece to the Sobey's Quarry, Queenstown, Eastern Cape Province, South Africa, where the specimen was found.
= Trematosaurus sobeyi HAUGHTON, 1915

Holotype: SAM-PK-2779

Locality: Sobey's Quarry, Queenstown, Eastern Cape Province, South Africa.

Horizon: Burgersdorp Formation, Tarkastad Subgroup.

Biostratigraphy: Cynognathus zone.

Age: Spathian Stage, uppermost Scythian Epoch to Anisian Stage, lowermost Mid Triassic Epoch, Early to Middle Triassic.

Material: Fragmentary skull.