elongatum, Hypoptopoma Aquino [A. E.] & Schaefer [S. A.] 2010:67, Figs. 35 [Bulletin of the American Museum of Natural History No. 336; ref. 30875] Rio Tapajos, Itaituba, Pará State, Brazil. Holotype: INPA 7240. Paratypes: INPA 29657 (58, 2 c&s). Plus non-type material. •Valid as Hypoptopoma elongatum Aquino & Schaefer 2010 -- (Delapieve et al. 2018:22 [ref. 35713]). Current status: Valid as Hypoptopoma elongatum Aquino & Schaefer 2010. Loricariidae: Hypoptopomatinae. Distribution: Lower Rio Tapajos and lower Rio Trombetas, Brazil. Habitat: freshwater.