Genus: Patagoniophis ALBINO, 1986
Etymology: In reference to Patagonia, Argentina, where the specimen was found and Greek, ophis, "snake."

Species: parvus ALBINO, 1986
Etymology: Latin, parvus, "small."

Holotype: MACN-RN 33

Locality: Patagonia, Argentina.

Horizon: Los Alamitos Formation.

Biostratigraphy:

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

Material: Mid-trunk vertebra.

Referred material:

MACN-RN 34: Mid-trunk vertebra.

MACN-RN 35: Incomplete vertebra.

MACN-RN 41: Fragmentary trunk vertebra.

MACN-RN 60: Vertebral centrum.

 

 

MARTINELLI & FORASIEPI, 2004

Locality: Bajo de Santa Rosa Locality, Rio Negro Province, Argentina.

Horizon: Allen Formation, Malargüe Group.

Biostratigraphy:

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

Material:

MACN-PV RN 1049, 1056: Incomplete trunk vertebrae.