BioStor
 | Problems in catfish anatomy and phylogeny exemplified by the Neotropical Hypophthalmidae (Teleostei: Siluroidei) G J Howes (1983) Bulletin of the British Museum (Natural History), Zoology 45: 1-39 |
 | Exallodontus aguanai, a new genus and species of Pimelodidae (Pisces: Siluriformes) from deep river channels of South America, and delimitation of the subfamily Pimelodinae John G Lundberg, Francisco Mago-Leccia and Pedro Nass (1991) Proceedings of The Biological Society of Washington 104(4): 840-869 |
 | Higher-level Names for Catfishes (Actinopterygii: Ostariophysi: Siluriformes) Carl J Ferraris Jr. and Mário C C De Pinna (1999) Proceedings of the California Academy of Sciences 51: 1-17 |