carinatus, Plecostomus Steindachner [F.] 1881:108 [8], Pl. 4 (fig. 2) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 43; ref. 14290] Amazon River at Jatuarana, Ueranduba and Lake Saraca, Brazil. Lectotype: NMW 44094. Paralectotypes: (1) NMW 44096 (1). Type catalog: Ferraris 2007:252 [ref. 29155]. On p. 8 of separate. Lectotype designation by Zawadzki et al. 2020: 197 [ref. 37387]. •Valid as Watawata carinata (Steindachner 1881) -- (Isbrücker eal. 2001:23 [ref. 25649], Isbrücker 2001:31, 32 [ref. 25653], Isbrücker 2002:30 [ref. 27178]). •Valid as Hypostomus carinatus (Steindachner 1881) -- (Isbrücker 1980:21 [ref. 2303], Weber in Reis et al. 2003:356 [ref. 27061], Armbruster 2004:79 [ref. 27644] dated 1882, Ferraris 2007:252 [ref. 29155], Zawadzki et al. 2013:74 [ref. 32701], Sarmiento et al. 2014:191 [ref. 35004], Zawadzki et al. 2015:56 [ref. 33866], Zawadzki et al. 2017:571 [ref. 35666], DoNascimiento et al. 2017:82 [ref. 35633], Zawadzki et al. 2020:192 [ref. 37387], Meza-Vargas et al. 2021:26 [ref. 39298]). Current status: Valid as Hypostomus carinatus (Steindachner 1881). Loricariidae: Hypostominae. Distribution: South America: upper and central Amazon River basin (Brazil and Peru), Habitat: freshwater.