Genus: Caryonosuchus KELLNER, CAMPOS, RIFF & ANDRADE, 2011
Etymology: Greek, caryon, "prouberances" and Latinized Greek, souchus, "crocodile."

Species: pricei KELLNER, CAMPOS, RIFF & ANDRADE, 2011
Etymology: In honor of Llewellyn Ivor Price, a palaeontologist who described the genus Sphagesaurus and also had a partial (unpublished) manuscript on the specimen DGM 1411-R (Kellner et al., 1995).

Holotype: DGM 1411-R

Locality: Vicinity of Presidente Prudente City, south-west Sao Paulo State, Brazil.

Horizon: Adamantina Formation, Bauru Group.

Biostratigraphy:

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

Material: Anterior portion of the skull and lower jaw.