manaos, Tetragonopterus Urbanski [B. Q.], Melo [B. F.], Silva [G. S. C.] & Benine [R. C.] 2018:[2], Figs. 1-3 [Neotropical Ichthyology v. 16 (no. 2) (e3170158); ref. 35973] Igapó of rio Negro, Anavilhanas National Park, Manaus, Amazonas, Brazil, approximately 02°42'S, 60°45'W. Holotype: MZUSP 117250. Paratypes: INPA, LBP, MZUSP. •Valid as Tetragonopterus manaos Urbanski, Melo, Silva & Benine 2018 -- (Silvano et al. 2020:82 [ref. 38133]). Current status: Valid as Tetragonopterus manaos Urbanski, Melo, Silva & Benine 2018. Characidae: Tetragonopterinae. Distribution: South America: central Amazon basin (Brazil). Habitat: freshwater.