Considered a synonym of Ictalurus mexicanus (Meek, 1904)
- Pérez Rodríguez, Rodolfo & Omar Domínguez-Domínguez, Carlos Pedraza-Lara, Rogelio Rosas-Valdez, Gerardo Pérez-Ponce de León, Ana Berenice García-Andrade, Ignacio Doadrio. 2023. "Multi-locus phylogeny of the catfish genus Ictalurus Rafinesque, 1820 (Actinopterygii, Siluriformes) and its systematic and evolutionary implications". BMC Ecology and Evolution. 1-20. DOI: 10.1186/s12862-023-02134-w (ffm01231) (abstract)
Original description as Amiurus australis:
ZooBank:7165DCFA-94FF-4077-94C9-39070A3EABFE.
- Meek, Seth Eugene. 1904. "The fresh-water fishes of Mexico north of the isthmus of Tehuantepec". Field Columbian Museum Publication. 1-252 (ffm00159)