orcesi, Hemibrycon Böhlke [J. E.] 1958:25, Pl. 2 (fig. 4) [Proceedings of the Academy of Natural Sciences of Philadelphia v. 110; ref. 12050] Río Macuma, northern tributary of Upper Río Morona, Province Santiago-Zamora, Ecuador, 2°07' to 2°13'S, 77°35'W. Holotype: USNM 164064. Paratypes: ANSP 75904 (2), USNM 175128 (1). Type catalog: Vari & Howe 1991:23-24 [ref. 19022], Böhlke 1984:52 [ref. 13621]. Originally as orcési; must be corrected to orcesi. •Valid as Hemibrycon orcesi Böhlke 1958 -- (Ovchynnyk 1967:29 [ref. 37559], Román-Valencia et al. 2006:212 [ref. 28983], Román-Valencia & Ruiz-C. 2007:124 [ref. 29189], Román-Valencia et al. 2007:181 [ref. 29496], Román-Valencia & Arcila-Mesa 2009:79 [ref. 30718], Román-Valencia et al. 2010:101 [ref. 30945], Barriga Salazar 2014:107 [ref. 35745], Román-Valencia et al. 2014:120 [ref. 33572], see DoNascimiento et al. 2017:[11] [ref. 35679], Soares et al. 2017:7 [ref. 35609]). •Valid as Boehlkea orcesi (Böhlke 1958) -- (Bertaco & Malabarba 2010:767 [ref. 31076], Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco 2024:113 [ref. 40817]). Current status: Valid as Boehlkea orcesi (Böhlke 1958). Stevardiidae: Diapominae. Distribution: South America: Macuma, Upano, Tayusa and Pastaza river basins (Ecuador). Habitat: freshwater.