insignis, Prochilodus Jardine [W.] in Schomburgk 1841:261, Pl. 30 [The Natural history of fishes of Guiana; ref. 18707] Rio Branco, Amazon system, South America. No types known. •Valid as Semaprochilodus insignis (Jardine 1841) -- (Castro & Vari in Reis et al. 2003:68 [ref. 27061], Castro & Vari 2003:152 [ref. 28606], Barriga Salazar 2014:105 [ref. 35745], Sarmiento et al. 2014:85, 186 [ref. 35004], DoNascimiento et al. 2017:43 [ref. 35633], Careaga et al. 2020:76 [ref. 37774], Silvano et al. 2020:145 [ref. 38133], Meza-Vargas et al. 2021:15 [ref. 39298]). Current status: Valid as Semaprochilodus insignis (Jardine 1841). Prochilodontidae. Distribution: South America: central and western portions of Amazon River basin and tributary rivers (Brazil, Bolivia, Colombia, Ecuador, Guyana and Peru). Habitat: freshwater.