myersi, Hysteronotus Weitzman [S. H.] & Thomerson [J. E.] 1970:140, Figs. 1-5 [Proceedings of the California Academy of Sciences (Series 4) v. 38 (no. 8); ref. 7790] Stream tributary of Río Pachitea, northeastern Tournavista, Huanuco Province, Peru. Holotype: USNM 203697. Paratypes: ANSP 112325-26 (2, 3); TU 56456 (2); USNM 203698 (6). Type catalog: Vari & Howe 1991:28 [ref. 19022], Böhlke 1984:51 [ref. 13621], Bart & Taylor 1993:31 [ref. 20906]. •Valid as Hysteronotus myersi Weitzman & Thomerson 1970 -- (Ortega & Vari 1986:8 [ref. 9708]). •Valid as Chrysobrycon myersi (Weitzman & Thomerson 1970) -- (Weitzman & Menezes 1998:187 [ref. 23843], Weitzman in Reis et al. 2003:223 [ref. 27061], Vanegas-Ríos et al. 2011:731 [ref. 31720], Barriga Salazar 2014:109 [ref. 35745], Vanegas-Ríos et al. 2014:297 [ref. 33375], Thomaz et al. 2015:Add. 5 [ref. 33893], Vanegas-Ríos et al. 2015:181 [ref. 34047], Vanegas-Ríos & Urbano-Bonilla 2017:2354 [ref. 35265], Meza-Vargas et al. 2021:17 [ref. 39298]). Current status: Valid as Chrysobrycon myersi (Weitzman & Thomerson 1970). Characidae: Stevardiinae. Distribution: South America: upper Amzon basin (Peru and Ecuador). Habitat: freshwater.