Genus: Austelliscus FIGUEROA, WEINSCHÜTZ & FRIEDMAN, 2021
Etymology: Latin, austelli, "the southern portion"; In reference to the high palaeolatitude locality.

Species: ferox FIGUEROA, WEINSCHÜTZ & FRIEDMAN, 2021
Etymology: Latin, ferox, "bold, fierce."

Holotype: MCT890-P (part and counterpart)

Locality: No specifice locality, near Ponta Grossa, Parana, Brazil.

Horizon:

Biostratigraphy:

Age: Middle Devonian.

Material: Incomplete left dentary.