Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the genus Pseudacanthicus: [ 11 ] records

fordii, Chaetostomus Günther [A.] 1868:476 [Annals and Magazine of Natural History (Series 4) v. 1 (no. 6) (art. 56); ref. 1992] Probably Suriname. Syntypes: BMNH 1866.8.14.148-152 (4). Type catalog: Ferraris 2007:286 [ref. 29155]. Original genus is correctly Chaetostoma. Also published in Günther (Sept.) 1868:231, Pl. 21 [ref. 5756]. •Valid as Pseudacanthicus fordii (Günther 1868) -- (Isbrücker 1980:76 [ref. 2303], Burgess 1989:438 [ref. 12860], Isbrücker 2001:26, 31 [ref. 25653], Isbrücker 2002:27 [ref. 27178], Fisch-Muller in Reis et al. 2003:393 [ref. 27061], Ferraris 2007:286 [ref. 29155], Fisch-Muller et al. 2012:189 [ref. 31970], Chamon & Sousa 2016:13 [ref. 34852], Chamon & Costa e Silva 2018:507 [ref. 35821]). Current status: Valid as Pseudacanthicus fordii (Günther 1868). Loricariidae: Hypostominae. Distribution: Coastal drainages of Suriname. Habitat: freshwater.

histrix, Loricaria Vandelli [D.] in Cuvier & Valenciennes 1840:486 [Histoire naturelle des poissons v. 15; ref. 1008] Not available, name mentioned in synonymy of Rinelepis histrix Valenciennes 1840. •In the synonymy of Pseudacanthicus histrix (Valenciennes 1840) -- (Isbrücker 1980:76 [ref. 2303], Isbrücker 1981:89 [ref. 5522], Isbrücker 2001:29 [ref. 25653]). Nomen Nudum. Current status: Synonym of Pseudacanthicus histrix (Valenciennes 1840). Loricariidae: Hypostominae.

histrix, Rinelepis Valenciennes [A.] in Cuvier & Valenciennes 1840:486 [Histoire naturelle des poissons v. 15; ref. 1008] No locality [=Brazil]. No types know. Type catalog: Ferraris 2007:286 [ref. 29155]. See Fisch-Muller in Reis et al. 2003:393 [ref. 27061] for historical information. •Valid as Pseudacanthicus histrix (Valenciennes 1840) -- (Isbrücker 1980:76 [ref. 2303], Burgess 1989:438 [ref. 12860], Isbrücker 2001:31, 32 [ref. 25653], Isbrücker 2002:27 [ref. 27178], Fisch-Muller in Reis et al. 2003:393 [ref. 27061], Ferraris 2007:286 [ref. 29155], Chamon & Sousa 2016:13 [ref. 34852] as cf. histrix, Chamon & Costa e Silva 2018:508 [ref. 35821] as cf. histrix). Current status: Valid as Pseudacanthicus histrix (Valenciennes 1840). Loricariidae: Hypostominae. Distribution: Negro and lower Amazon River basins, Brazil. Habitat: freshwater.

leopardus, Stoneiella Fowler [H. W.] 1914:271, Fig. 17 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 66; ref. 1390] Rupununi River, Guyana, 2°-3°N, 50°20'W. Holotype (unique): ANSP 39345. Type catalog: Böhlke 1984:123 [ref. 13621], Ferraris 2007:286 [ref. 29155]. •Valid as Pseudacanthicus leopardus (Fowler 1914) -- (Isbrücker 1980:77 [ref. 2303], Burgess 1989:438 [ref. 12860], Isbrücker 2001:31, 32 [ref. 25653], Isbrücker 2002:27 [ref. 27178], Fisch-Muller in Reis et al. 2003:393 [ref. 27061], Ferraris 2007:286 [ref. 29155], Fisch-Muller et al. 2012:189 [ref. 31970], Chamon 2015:317 [ref. 33851], Chamon & Sousa 2016:13 [ref. 34852], Chamon & Costa e Silva 2018:507 [ref. 35821], Taphorn et al. 2022:53 [ref. 41297]). Current status: Valid as Pseudacanthicus leopardus (Fowler 1914). Loricariidae: Hypostominae. Distribution: South America: Rupununi River basin (Guyana) endemic. Habitat: freshwater.

major, Pseudacanthicus Chamon [C. C.] & Costa e Silva [T.] 2018:500, Figs. 1-2, 3A-B [Zootaxa 4387 (no. 3); ref. 35821] Rio Areias near to the confluence with rio Tocantins, Porto Nacional, Brazil, 1050'30"S, 4823'35"W. Holotype: MNRJ 50822 [ex UNT 8345]. Paratypes: INPA, MNRJ, MZUSP, UNT. •Valid as Pseudacanthicus major Chamon & Costa e Silva 2018. Current status: Valid as Pseudacanthicus major Chamon & Costa e Silva 2018. Loricariidae: Hypostominae. Distribution: Rio Tocantins basin, Brazil. Habitat: freshwater.

nyktos, Pseudacanthicus Lopes [M. L. P. G.], Sousa [L. M. de] & Chamon [C. C.] 2024:3, Figs. 1-7 [Neotropical Ichthyology v. 22 (no. 3): e240033; ref. 41641] Vitória do Xingu, Xingu River, Pará, Brazil, 02°49'13.6"S, 52°00'42.7"W. Holotype: INPA ICT-060701. Paratypes: ANSP, INPA, LIA, MZUSP. •Valid as Pseudacanthicus nyktos Lopes, Sousa & Chamon 2024. Current status: Valid as Pseudacanthicus nyktos Lopes, Sousa & Chamon 2024. Loricariidae: Hypostominae. Distribution: South America: lower Xingu River drainage, Amazon basin, Pará, Brazil; introduced in the Xingu River region near Altamira. Habitat: freshwater.

pirarara, Pseudacanthicus Chamon [C. C.] & Sousa [L. M. de] 2016:2, Figs. 1-2 [Journal of Fish Biology v. 90 (no. 1); ref. 34852] Rio Xingu, Senador José Porfírio, Pedral do Caitucá, Brazil, 3°34'24"S, 51°51'33"W. Holotype: MZUSP 116932. Paratypes: ANSP, AUM, INPA, LIA, MZUSP, UNT. Plus non-type material. •Valid as Pseudacanthicus pirarara Chamon & Sousa 2016 -- (Chamon & Costa e Silva 2018:507 [ref. 35821]). Current status: Valid as Pseudacanthicus pirarara Chamon & Sousa 2016. Loricariidae: Hypostominae. Distribution: Rio Xingu basin, Brazil. Habitat: freshwater.

pitanga, Pseudacanthicus Chamon [C. C.] 2015:310, Figs. 1-3 [Zootaxa 3973 (no. 2); ref. 33851] Serra dos Carajás, bedrock at rio Itacaiunas, Serra dos Carajás, Pará, Brazil, 05032'00"W, 0552'00"S. Holotype: MZUSP 34296. Paratypes: INPA, MZUSP, UNT. Plus non-type material. •Valid as Pseudacanthicus pitanga Chamon 2015 -- (Chamon & Sousa 2016:13 [ref. 34852], Chamon & Costa e Silva 2018:507 [ref. 35821]). Current status: Valid as Pseudacanthicus pitanga Chamon 2015. Loricariidae: Hypostominae. Distribution: Rio Tocantins basin, Brazil. Habitat: freshwater.

serratus, Hypostomus Valenciennes [A.] in Cuvier & Valenciennes 1840:503 [Histoire naturelle des poissons v. 15; ref. 1008] Region around Paramaribo, Suriname. Holotype (unique): RMNH 3125. Type information: Boeseman 1972:304 [ref. 19698]. Type catalog: Ferraris 2007:286 [ref. 29155]. For locality information see Boeseman 1972:304 [ref. 19698]. •Valid as Pseudacanthicus serratus (Valenciennes 1840) -- (Isbrücker 1980:77 [ref. 2303], Burgess 1989:438 [ref. 12860], Le Bail et al. 2000:250 [ref. 24549], Isbrücker 2001:28, 31 [ref. 25653], Isbrücker 2002:27 [ref. 27178], Fisch-Muller in Reis et al. 2003:393 [ref. 27061], Ferraris 2007:286 [ref. 29155], Fisch-Muller et al. 2012:190 [ref. 31970], Chamon 2015:317 [ref. 33851], Chamon & Sousa 2016:13 [ref. 34852], Chamon & Costa e Silva 2018:507 [ref. 35821], Borstein et al. 2022:18 [ref. 39507], Taphorn et al. 2022:53 [ref. 41297]). Current status: Valid as Pseudacanthicus serratus (Valenciennes 1840). Loricariidae: Hypostominae. Distribution: South America: coastal drainages (French Guiana, Guyana and Suriname). Habitat: freshwater.

spinosae, Loricaria Ferreira [C.] in França 1922:84, Fig. 9 [Boletim da Sociedade Broteriana (ser. 2) v. 1; ref. 27257] Negro River, Brazil. No types known. Type catalog: Ferraris 2007:286 [ref. 29155]. Apparently an unneeded replacement name for Rinelepis histrix (Valenciennes 1840). •Synonym of Pseudacanthicus histrix (Valenciennes 1840) -- (Fisch-Muller in Reis et al. 2003:393 [ref. 27061], Ferraris 2007:286 [ref. 29155]). Replacement Name. Current status: Synonym of Pseudacanthicus histrix (Valenciennes 1840). Loricariidae: Hypostominae. Habitat: freshwater.

spinosus, Hypostomus Castelnau [F. L.] 1855:45, Pl. 22 (fig. 3) [Animaux nouveaux or rares v. 2; ref. 766] Amazon River, Brazil. Holotype (unique): MNHN A-9577. Type catalog: Bertin & Estève 1950:72 [ref. 19575]. •Valid as Pseudacanthicus spinosus (Castelnau 1855) -- (Isbrücker 1980:77 [ref. 2303], Burgess 1989:438 [ref. 12860], Montoya-Burgos et al. 1998:367 [ref. 23850], Isbrücker 2001:28, 31 [ref. 25653], Isbrücker 2002:27 [ref. 27178], Fisch-Muller in Reis et al. 2003:394 [ref. 27061], Fisch-Muller et al. 2012:190 [ref. 31970], Barriga Salazar 2014:113 [ref. 35745], Chamon 2015:317 [ref. 33851], Chamon & Sousa 2016:13 [ref. 34852], see DoNascimiento et al. 2017:[19] [ref. 35679], Chamon & Costa e Silva 2018:507 [ref. 35821]). Current status: Valid as Pseudacanthicus spinosus (Castelnau 1855). Loricariidae: Hypostominae. Distribution: Amazon River basin: Brazil and Ecuador. Habitat: freshwater.