Genus: Antarctosuchus SIDOR, STEYER & HAMMER, 2014
Etymology: Antarctica, the southern continent, and Greek, soukhos, "crocodile."

Species: polyodon SIDOR, STEYER & HAMMER, 2014
Etymology: Greek, poly, "many" and Greek, odontos, "tooth."

Holotype: AMNH 24411

Locality: Gordon Valley, 84°21.741'S, 164°3.644'E, central Transntartic Mountains, East Antarctica, Antarctica.

Horizon: Upper Fremouv Formation.

Biostratigraphy:

Age: Anisian Stage, Lower Mid Triassic Epoch, Early Middle Triassic.

Material: Fragmentary skull.

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