nudulus, Hemipsilichthys Reis [R. E.] & Pereira [E. H. L.] 1999:46, Figs. 2-4 [Ichthyological Exploration of Freshwaters v. 10 (no. 1); ref. 23669] Rio Jordao at Jordao Alto, about 28°35'S, 49°27'W, Nova Veneza, Santa Catarina, Brazil. Holotype: MCP 20278. Paratypes: MCP 10436 (119, 8 c&s), 19199 (6), 19938 (5); MZUSP 52459 (30); USNM 346610 (30); ZMA 121728 (10). Type catalog: Ferraris 2007:280 [ref. 29155]. Species epithet is an adjective and corrected to nudula when in genus Pareiorhaphis. •Valid as Hemipsilichthys nudulus Reis & Pereira 1999 -- (Pereira et al. 2000:378 [ref. 25081], Isbrücker 2001:28 [ref. 25653], Pereira & Reis 2002:122 [ref. 26071], Pereira et al. 2003:2 [ref. 27068], Isbrücker 2002:17 [ref. 27178], Weber in Reis et al. 2003:354 [ref. 27061]). •Valid as Pareiorhaphis nudulus (Reis & Pereira 1999) -- (Periera 2005:272 [ref. 28273], Ferraris 2007:280 [ref. 29155], Pereira et al. 2012:539 [ref. 32218], Pereiro & Zanata 2014:36 [ref. 33226], Pereira et al. 2015:563 [ref. 34007], Bertaco et al. 2016:419 [ref. 34561], Pereira & Reis 2017:75 [ref. 35307]). •Valid as Pareiorhaphis nudula (Miranda Ribeiro 1951). Current status: Valid as Pareiorhaphis nudula (Reis & Pereira 1999). Loricariidae: Hypoptopomatinae. Distribution: South America: Araranguá, Mapituba, Três Forquilhas, and Maquiné River drainages, southern Brazil. Habitat: freshwater.