Otocinclus vestitus Cope, 1872
| On the fishes of the Ambyiacu River Edward D Cope (1872) Proceedings of the Academy of Natural Sciences of Philadelphia 23: 250-294 | |
| Preliminary notes on South American Nematognathi, II C H Eigenmann and R S Eigenmann (1889) Proceedings of the California Academy of Sciences, 2: 28-56 | |
| 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 | |
| Hisonotus candombe, a new species from the río Uruguay basin in the República Oriental del Uruguay (Siluriformes, Loricariidae, Otothyrini) J Casciotta, A Almirón M. De Las M. Azpelicueta and T Litz (2006) Spixiana 29: 147-152 |