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.