hypostoma, Curimatus Boulenger [G. A.] 1887:172 [Annals and Magazine of Natural History (Series 5) v. 19 (no. 111) (art. 23); ref. 17020] Río Ucayali, Amazon system, Peru. Lectotype: BMNH 1881.5.13.105. Paralectotypes: BMNH 1881.5.13.106-108 (3). Lectotype selected by Vari & Vari 1989:473 [ref. 12508]. •Valid as Curimata hypostoma (Boulenger 1887) -- (Ortega & Vari 1986:11 [ref. 9708]). •Valid as Steindachnerina hypostoma (Boulenger 1887) -- (Vari & Williams Vari 1989:471 [ref. 12508], Vari 1991:53 [ref. 19019], Chang & Ortega 1995:5 [ref. 24302], Pavanelli & Britski 1999:216 [ref. 24224], Vari in Reis et al. 2003:61 [ref. 27061], Netto-Ferreira & Vari 2011:527 [ref. 31707], Sarmiento et al. 2014:186 [ref. 35004], DoNascimiento et al. 2017:43 [ref. 35633], Urbano-Bonilla et al. 2018:82 [ref. 35773], Meza-Vargas et al. 2021:15 [ref. 39298]). Current status: Valid as Steindachnerina hypostoma (Boulenger 1887). Curimatidae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Colombia and Peru). Habitat: freshwater.