caviceps, Guichthys Fernández-Yépez [A.] 1968:[4], Pl. 3 (unnumb.) [Evencias No. 20; ref. 7318] Río Apure Seco, southwest of San Fernando de Apure, Estado Apure, Venezuela. Holotype (unique): MACLPI 51101 [ex AFY 51092]. Type catalog: Ferraris et al. 2017:[33] [ref. 35236]. On fourth unnumbered page. •Valid as Rhabdolichops caviceps (Fernández-Yépez 1968) -- (Mago-Leccia 1994:22 [ref. 21320], Keith & Meunier 2000:404 [ref. 25160], Albert in Reis et al. 2003:488 [ref. 27061], Correa et al. 2006:28 [ref. 28541], Barriga Salazar 2014:116 [ref. 35745], Sarmiento et al. 2014:188 [ref. 35004], Ferraris et al. 2017:[33] [ref. 35236], DoNascimiento et al. 2017:67 [ref. 35633], Ochoa et al. 2020:64 [ref. 37781], Meza-Vargas et al. 2021:21 [ref. 39298], Taphorn et al. in Lasso & Morales-Betancourt 2022:116 [ref. 40783]). Current status: Valid as Rhabdolichops caviceps (Fernández-Yépez 1968). Sternopygidae: Eigenmanniinae. Distribution: South America: Orinoco and Amazon River basins (Bolivia, Brazil, Colombia, Ecuador, Peru and Venezuela). Habitat: freshwater.