ctenistus, Leptotocinclus Delapieve [M. L. S.], Lehmann A [P.] & Reis [R. E.] 2018:24, Figs. 3c, 7f, 13, 15 [Neotropical Ichthyology v. 15 (no. 4) e170079 (for 18 Dec. 2017); ref. 35713] Igarapé São Sebastião, tributary to igarapé do Baré, lago Amanã basin, Maraã, Amazonas, Brazil, 02°17'06"S, 64°40'36"W. Holotype: INPA 53272. Paratypes: ICNMHN, INPA, MCP, MPEG. •Valid as Leptotocinclus ctenistus Delapieve, Lehmann A & Reis 2018. Current status: Valid as Leptotocinclus ctenistus Delapieve, Lehmann A & Reis 2018. Loricariidae: Hypoptopomatinae. Distribution: Rio Solimões and rio Negro drainages, Brazil and Colombia. Habitat: freshwater.