Typový druh
Otocinclus obtusus Miranda-Ribeiro, 1911.
Původní popis
Britski H. A. & Garavello J. C. 1984. Two new southeastern Brazilian genera of Hypoptopomatinae and a redescription of Pseudotocinclus Nichols, 1919 (Ostariophysi, Loricariidae). Pap. Avulsos Dep. Zool. (Sao Paulo) v. 35 (no. 21). 225-241.