Genus: Symptosuchus AMEGHINO, 1899 (nomen nudum)
Etymology:

Species: contortidens AMEGHINO, 1899 (nomen nudum)
Etymology:

Holotype:

Locality: Patagonia, Argentina.

Horizon: Guaranitic Formation.

Biostratigraphy:

Age: Late Cretaceous.

Material: Teeth, skull elements, and scutes.