Genus: Australophis GOMEZ, BAEZ, & ROUGIER, 2008
Etymology: Latin, austalis, "southern" and Greek, ophidion, ophis, "snake."

Species: anilioides GOMEZ, BAEZ, & ROUGIER, 2008
Etymology: From Anilius, the genus of the only extant South American aniloid, and Greek, -oides, "like or like that of."

Holotype: MML-PV181

Locality: Bajo Trapalco, 39°47'02"S, 66°42'17"W, 150 km south-west of Lamarque, Rio Negro Province, northern Patagonia, Argentina.

Horizon: Lower Member, Allen Formation, Malargue Group.


Age: Late Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: 1 mid-precloacal vertebra.

Referred material:

MML-PV 182-190: 9 precloacal vertebrae.