Species that contain: Hypostomus and punctatus [ 3 ] records

punctatum, Hypostoma Jardine [W.] in Schomburgk 1841:145 [The Natural history of fishes of Guiana; ref. 18707] Rio Branco, South America. Holotype (unique): not saved. Type catalog: Ferraris 2007:220 [ref. 29155]. Based on Schomburgk drawing no. 68. Objectively invalid; preoccupied by Hypostomus punctatus Valenciennes 1840 -- (Isbrücker 1980:72 [ref. 2303]). •Synonym of Ancistrus dolichopterus Kner 1854 -- (Fisch-Muller in Reis et al. 2003:375 [ref. 27061] on Art. 60.1, Ferraris 2007:220 [ref. 29155]). 1°Homonym. Current status: Synonym of Ancistrus dolichopterus Kner 1854. Loricariidae: Hypostominae. Habitat: freshwater.

punctatus, Hypostomus Valenciennes [A.] in Cuvier & Valenciennes 1840:493 [Histoire naturelle des poissons v. 15; ref. 1008] Rio de Janeiro, Brazil. Syntypes: whereabouts unknown. Type catalog: Ferraris 2007:259 [ref. 29155]. •Valid as Hypostomus punctatus Valenciennes 1840 -- (Isbrücker 1980:32 [ref. 2303], Burgess 1989:432 [ref. 12860], López & Miquelarena 1991:37 [ref. 23548], Isbrücker 2001:28 [ref. 25653], Isbrücker 2002:19 [ref. 27178], López et al. 2003:51 [ref. 27366], Weber in Reis et al. 2003:362 [ref. 27061], Armbruster 2004:79 [ref. 27644], Menni 2004:81 [ref. 28131], Ferraris 2007:259 [ref. 29155], Koerber 2014:10 [ref. 33621] not in Argentina, Litz & Koerber 2014:25 [ref. 33622], Cardoso et al. 2016:22 [ref. 34373], Nión et al. 2016:32 [ref. 35565], Zawadzki et al. 2017:571 [ref. 35666], Penido et al. 2023:110 [ref. 40572]). Current status: Valid as Hypostomus punctatus Valenciennes 1840. Loricariidae: Hypostominae. Distribution: South America: southeastern coastal drainages of Brazil and de la Plata River, Brazil and Uruguay. Habitat: freshwater.

rachovii, Plecostomus Regan [C. T.] 1913:555 [Annals and Magazine of Natural History (Series 8) v. 12 (no. 72); ref. 18903] Near Rio de Janeiro, Brazil. Holotype (unique): BMNH 1913.10.30.15. Type catalog: Ferraris 2007:255 [ref. 29155]. •Valid as Hypostomus rachovii (Regan 1913) -- (Isbrücker 1980:32 [ref. 2303], Burgess 1989:432 [ref. 12860], Isbrücker 2001:28, 31 [ref. 25653], Isbrücker 2002:19 [ref. 27178], Armbruster 2004:80 [ref. 27644]). •Synonym of Hypostomus laplatae (Eigenmann 1907) -- (Weber in Reis et al. 2003:359 [ref. 27061], Ferraris 2007:255 [ref. 29155], Litz & Koerber 2014:25 [ref. 33622], Mirande & Koerber 2015:42 [ref. 35117]). •Possibly a synonym of Hypostomus punctatus Valenciennes 1840 -- (Cardoso et al. 2019:[18] [ref. 36685]). Current status: Synonym of Hypostomus punctatus Valenciennes 1840. Loricariidae: Hypostominae. Habitat: freshwater.