amazonensis, Prochilodus Fowler [H. W.] 1906:316, Fig. 15 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 58; ref. 1373] Lower Amazon River, Brazil. Holotype (unique): ANSP 21350. Type catalog: Böhlke 1984:148 [ref. 13621]. •Valid as Semaprochilodus amazonensis (Fowler 1906) -- (Ortega & Vari 1986:11 [ref. 9708]). •Synonym of Semaprochilodus insignis (Jardine 1841) -- (Castro & Vari in Reis et al. 2003:68 [ref. 27061], Castro & Vari 2003:152 [ref. 28606]). Current status: Synonym of Semaprochilodus insignis (Jardine 1841). Prochilodontidae. Habitat: freshwater.