signatus, Brachychalcinus Garcia-Ayala [J. R.] & Benine [R. C.] 2020:3, Fig. 1 [Journal of Fish Biology v. 96 (no. 4); ref. 37401] Igarapé Caxipacoré, above Cachoeira Porteira, rio Trombetas, Oriximiná, Pará, Brazil, 0°33'32"S, 56°45'04"W. Holotype: INPA 59409. Paratypes: INPA. •Valid as Brachychalcinus signatus Garcia-Ayala & Benine 2020 -- (Garcia-Ayala et al. 2024:9 [ref. 40855]). Current status: Valid as Brachychalcinus signatus Garcia-Ayala & Benine 2020. Characidae: Stethaprioninae. Distribution: South America: Trombetas River drainage above Cachoeira Porteira, Amazon basin, Pará, Brazil. Habitat: freshwater.
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