eques, Nannostomus Steindachner [F.] 1876:126 [78], Pl. 9 (fig. 3) [Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.); ref. 4225] Peruvian Amazon; Tabatinga, Amazon, Brazil. Syntypes: (several) NMW 56513 (5). On p. 78 of separate. •Valid as Poecilobrycon eques (Steindachner 1876) -- (Weitzman 1966:47 [ref. 12368]). •Valid as Nannostomus eques Steindachner 1876 -- (Ortega & Vari 1986:10 [ref. 9708], Weitzman & Cobb 1975:33 [ref. 7134], Weitzman & Weitzman in Reis et al. 2003:244 [ref. 27061], Barriga Salazar 2014:110 [ref. 35745], DoNascimiento et al. 2017:45 [ref. 35633], Meza-Vargas et al. 2021:15 [ref. 39298], Taphorn et al. 2022:26 [ref. 41297], Marinho 2024:386 [ref. 40817]). Current status: Valid as Nannostomus eques Steindachner 1876. Lebiasinidae: Pyrrhulininae. Distribution: South America: Amazon and Orinoco river basins (Brazil, Ecuador, Colombia Guyana, and Peru). Habitat: freshwater.