BioStor
 | A catalogue of the fresh-water fishes of South America C H Eigenmann and Rosa S Eigenmann (1891) Proceedings of the United States National Museum 14: 1-81 |
 | Note on the Aspredinidae T N Gill (1891) Proceedings of the United States National Museum 13: 347-352 |
 | The classification of the teleostean fishes of the order Ostariophysi. 2. Siluroidea C T Regan (1911) Annals and Magazine of Natural History 8: 553-577 |