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

Species in the genus Aphanotorulus: [ 18 ] records

ammophilus, Aphanotorulus Armbruster [J. W.] & Page [L. M.] 1996:385, Figs. 2, 3c, 4 [Copeia 1996 (no. 2); ref. 22151] Río San Carlos, River Portuguesa drainage at Caño Hondo, 9°31'51"N, 68°39'39"W, Cojedes State, Venezuela. Holotype: INHS 32035. Paratypes: ANSP 173089 [ex INHS 34784] (2); FMNH 105064 [ex INHS 29001] (2); INHS 29001 (1 c&s), 34738 (2), 34784 (31); MBUCV-V-26460 [ex INHS 34738] (1); MCNG 27678 (2); SIUC 23936 [ex INHS 34738] (1); TU 173803 [ex INHS 34784] (3); UAIC 11126.01 [ex INHS 34738] (1); USNM 335171 [ex INHS 34738] (2). Type catalog: Sabaj et al. 1997:270-271 [ref. 23225], Provenzano et al. 1998:3 [ref. 24196], Ferraris 2007:225 [ref. 29155]. •Valid as Hypostomus ammophilus (Armbruster & Page 1996) -- (Armbruster 2004:79 [ref. 27644], DoNascimiento 2016:533 [ref. 34727]). •Valid as Aphanotorulus ammophilus Armbruster & Page 1996 -- (Burgess & Finley 1996:170 [ref. 22901], Armbruster 1998:254 [ref. 23319], Montoya-Burgos et al. 1998:367 [ref. 23850], Isbrücker 2001:25 [ref. 25653], Isbrücker 2002:12 [ref. 27178], Weber in Reis et al. 2003:351 [ref. 27061], Ferraris 2007:225 [ref. 29155], Ray & Armbruster 2016:508 [ref. 34178], DoNascimiento et al. 2017:81 [ref. 35633], Urbano-Bonilla et al. 2018:76 [ref. 35773], Provenzano-Rizzi et al. in Lasso & Morales-Betancourt 2022:178 [ref. 40783]). Current status: Valid as Aphanotorulus ammophilus Armbruster & Page 1996. Loricariidae: Hypostominae. Distribution: South America: Orinoco River basin (Venezuela and Colombia). Habitat: freshwater.

annae, Plecostomus Steindachner [F.] 1881:112 [12], Pl. 3 (figs. 2-2a) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 43; ref. 14290] Guamá River basin, Pará State, Brazil. Holotype (unique): NMW 44073. Type catalog: Ferraris 2007:297 [ref. 29155]. On p. 12 of separate. Mistakenly listed as Chaetostomus annae in figure caption (p. 146 [46]). •Valid as Hypostomus annae (Steindachner 1881) -- (Isbrücker 1980:19 [ref. 2303], Burgess 1989:430 [ref. 12860], Armbruster 2004:79 [ref. 27644] dated 1882). •Valid as Squaliforma annae (Steindachner 1881) -- (Isbrücker et al. 2001:22 [ref. 25649], Isbrücker 2001:31, 32 [ref. 25653], Isbrücker 2001:32 [ref. 25653], Isbrücker 2002:29 [ref. 27178], Weber in Reis et al. 2003:367 [ref. 27061], Ferraris 2007:297 [ref. 29155]). •Synonym of Aphanotorulus emarginatus (Valenciennes 1840) -- (Ray & Armbruster 2016:512 [ref. 34178]). Current status: Synonym of Aphanotorulus emarginatus (Valenciennes 1840). Loricariidae: Hypostominae. Habitat: freshwater.

biseriatus, Plecostomus Cope [E. D.] 1872:285, Pl. 16 (figs. 1-2) [Proceedings of the Academy of Natural Sciences of Philadelphia v. 23; ref. 921] Amazon River, Peru or Brazil. Holotype (unique): ANSP 8279. Type catalog: Böhlke 1984:121 [ref. 13621], Ferraris 2007:297 [ref. 29155]. •Valid as Hypostomus biseriatus (Cope 1872) -- (Isbrücker 1980:20 [ref. 2303], Burgess 1989:430 [ref. 12860], Armbruster 2004:79 [ref. 27644]). •Valid as Squaliforma biseriata (Cope 1872) -- (Isbrücker et al. 2001:22 [ref. 25649], Isbrücker 2001:31, 32 [ref. 25653], Isbrücker 2002:29 [ref. 27178], Weber in Reis et al. 2003:367 [ref. 27061], Ferraris 2007:297 [ref. 29155]). •Synonym of Aphanotorulus horridus (Kner 1854) -- (Ray & Armbruster 2016:519 [ref. 34178]). Current status: Synonym of Aphanotorulus horridus (Kner 1854). Loricariidae: Hypostominae. Habitat: freshwater.

chaparae, Plecostomus Fowler [H. W.] 1940:81, Figs. 38-40 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 92; ref. 1436] Boca Chapare, Río Chimore, Cochabamba, Bolivia. Holotype (unique): ANSP 69067. Type catalog: Böhlke 1984:122 [ref. 13621], Ferraris 2007:226 [ref. 29155]. •Valid as Hypostomus chaparae (Fowler 1940) -- (Isbrücker 1980:21 [ref. 2303], Burgess 1989:431 [ref. 12860], Armbruster & Page 1996:384 [ref. 22151], Burgess & Finley 1996:170 [ref. 22901]). •Synonym of Aphanotorulus popoi (Pearson 1924) -- (Isbrücker 2001:31 [ref. 25653], Isbrücker 2002:26 [ref. 27178]). •Synonym of Hypostomus unicolor (Steindachner 1908) -- (Armbruster 2004:79 [ref. 27644] top of page). •Synonym of Aphanotorulus unicolor (Steindachner 1908) -- (Armbruster 1998:254 [ref. 23319], Weber in Reis et al. 2003:352 [ref. 27061], Ferraris 2007:226 [ref. 29155], Ray & Armbruster 2016:526 [ref. 34178]). Current status: Synonym of Aphanotorulus unicolor (Steindachner 1908). Loricariidae: Hypostominae. Habitat: freshwater.

emarginatus, Hypostomus Valenciennes [A.] in Cuvier & Valenciennes 1840:500 [Histoire naturelle des poissons v. 15; ref. 1008] Probably from Brazil. Holotype (unique): MNHN A-9447 (dry). Type catalog: Bertin & Estève 1950:70 [ref. 19575], Ferraris 2007:297 [ref. 29155]. •Valid as Plecostomus emarginatus (Valenciennes 1840) -- (Ovchynnyk 1967:40 [ref. 37559]). •Valid as Hypostomus emarginatus Valenciennes 1840 -- (Isbrücker 1980:23 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:431 [ref. 12860], Montoya-Burgos et al. 1998:367 [ref. 23850]). •Valid as Squaliforma emarginata (Valenciennes 1840) -- (Isbrücker et al. 2001:22 [ref. 25649], Isbrücker 2001:28, 32 [ref. 25653], Isbrücker 2002:29 [ref. 27178], Weber in Reis et al. 2003:367 [ref. 27061], Armbruster 2004:79 [ref. 27644], Ferraris 2007:297 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745], Sarmiento et al. 2014:192 [ref. 35004], Zawadzki et al. 2015:57 [ref. 33866], DoNascimiento 2016:533 [ref. 34727], Careaga et al. 2020:78 [ref. 37774]). •Valid as Aphanotorulus emarginatus (Valenciennes 1840) -- (Ray & Armbruster 2016:512 [ref. 34178], Oliveira et al. 2017:[7] [ref. 35225], DoNascimiento et al. 2017:81 [ref. 35633], Urbano-Bonilla et al. 2018:76 [ref. 35773], Silvano et al. 2020:248 [ref. 38135], Meza-Vargas et al. 2021:25 [ref. 39298], Chuctaya et al. 2022:42 [ref. 42137], Koerber et al. 2022:52 [ref. 39235], Taphorn et al. 2022:50 [ref. 41297]). Current status: Valid as Aphanotorulus emarginatus (Valenciennes 1840). Loricariidae: Hypostominae. Distribution: South America: upper Orinoco River, Essequibo River and eastern Amazon River basins (Brazil, Guyana and Peru). Habitat: freshwater.

frankei, Aphanotorulus Isbrücker [I. J. H.] & Nijssen [H.] 1983:108, Figs. 1-2 [Revue française d'Aquariologie Herpétologie v. 9 (no. 4) [for 1982]; ref. 5389] Río Neshua, Río Aguaytia system, about 8°36'S, 74°50'W, 60 kilometers southwest of Pucallpa, Coronel Portillo Province, Peru. Holotype: ZMA 116640. Paratypes: ZMA 116641 (1). Type catalog: Ferraris 2007:226 [ref. 29155]. •Valid as Aphanotorulus frankei Isbrücker & Nijssen 1983 -- (Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:430 [ref. 12860], Armbruster & Page 1996:384 [ref. 22151], Burgess & Finley 1996:170 [ref. 22901], Isbrücker 2001:25 [ref. 25653], Isbrücker 2002:12 [ref. 27178]). •Synonym of Hypostomus unicolor (Steindachner 1908) -- (Armbruster 2004:79 [ref. 27644] top of p.). •Synonym of Aphanotorulus unicolor (Steindachner 1908) -- (Armbruster 1998:254 [ref. 23319], Weber in Reis et al. 2003:352 [ref. 27061], Ferraris 2007:226 [ref. 29155], Ray & Armbruster 2016:526 [ref. 34178]). Current status: Synonym of Aphanotorulus unicolor (Steindachner 1908). Loricariidae: Hypostominae. Habitat: freshwater.

gomesi, Plecostomus Fowler [H. W.] 1942:2 [The Fish Culturist v. 22 (no. 1); ref. 17876] Ceará, Brazil. Holotype (unique): ANSP 69409. Type catalog: Böhlke 1984:122 [ref. 13621], Ferraris 2007:298 [ref. 29155]. Replacement name for Plecostomus iheringi Fowler 1941, preoccupied by Plecostomus iheringii Regan 1908. •Valid as Hypostomus gomesi (Fowler 1942) -- (Isbrücker 1980:24 [ref. 2303], Burgess 1989:431 [ref. 12860], Isbrücker 2001:28, 31 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Armbruster 2004:79 [ref. 27644], Zawadzki et al. 2017:571 [ref. 35666]). •Valid as Squaliforma gomesi (Fowler 1942) -- (Weber in Reis et al. 2003:367 [ref. 27061], Ferraris 2007:298 [ref. 29155]). •Valid as Aphanotorulus gomesi (Fowler 1942) -- (Ray & Armbruster 2016:517 [ref. 34178] dated 1941). Replacement Name. Current status: Valid as Aphanotorulus gomesi (Fowler 1942). Loricariidae: Hypostominae. Distribution: Jaguaribe River basin, Brazil. Habitat: freshwater.

horridus, Hypostomus Kner [R.] (ex Heckel) 1854:259, Pl. 1 (fig. 1) [Denkschriften der Kaiserlichen Akademie der Wissenschaften in Wien, Mathematisch-Naturwissenschaftliche Classe. v. 7; ref. 2628] Forte do Principe, Rio Guaporé, Brazil. Syntypes: NMW 16325 (1, dry), 86604 (1, dry). Type catalog: Ferraris 2007:298 [ref. 29155]. Name based on Heckel ms. name; apparently Kner composed the description. On p. 9 of separate. •Valid as Hypostomus horridus Kner 1854 -- (Isbrücker 1980:24 [ref. 2303], Burgess 1989:431 [ref. 12860], Armbruster 2004:79 [ref. 27644]). •Valid as Squaliforma horrida (Kner 1854) -- (Isbrücker et al. 2001:22 [ref. 25649], Isbrücker 2001:28, 32 [ref. 25653], Isbrücker 2002:29 [ref. 27178], Weber in Reis et al. 2003:367 [ref. 27061], Ferraris 2007:298 [ref. 29155], Sarmiento et al. 2014:192 [ref. 35004]). •Valid as Aphanotorulus horridus (Kner 1854) -- (Ray & Armbruster 2016:519 [ref. 34178], DoNascimiento et al. 2017:82 [ref. 35633], Meza-Vargas et al. 2021:25 [ref. 39298], Chuctaya et al. 2022:42 [ref. 42137]). Current status: Valid as Aphanotorulus horridus (Kner 1854). Loricariidae: Hypostominae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Colombia and Peru). Habitat: freshwater.

iheringi, Plecostomus Fowler [H. W.] 1941:150, Figs. 50-52 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 93; ref. 1437] Ceará, Brazil. Holotype (unique): ANSP 69409. Type catalog: Böhlke 1984:123 [ref. 13621], Ferraris 2007:298 [ref. 29155]. Objectively invalid; preoccupied by Plecostomus inheringii Regan 1908, replaced by Plecostomus gomesi Fowler 1942. •Objective synonym of Hypostomus gomesi (Fowler 1942) -- (Isbrücker 1980:24 [ref. 2303], Isbrücker 2001:31 [ref. 25653], Isbrücker 2002:26 [ref. 27178]). •Synonym of Squaliforma gomesi (Fowler 1942) -- (Weber in Reis et al. 2003:367 [ref. 27061], Ferraris 2007:298 [ref. 29155]). •Synonym of Aphanotorulus gomesi (Fowler 1942) -- (Ray & Armbruster 2016:517 [ref. 34178]). 1°Homonym. Current status: Synonym of Aphanotorulus gomesi (Fowler 1942). Loricariidae: Hypostominae. Habitat: freshwater.

madeirae, Plecostomus Fowler [H. W.] 1913:571, Fig. 23 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 65; ref. 1389] Rio Madeira, about 200 miles east of 63°54'W, Brazil. Holotype (unique): ANSP 39312. Type catalog: Böhlke 1984:123 [ref. 13621], Ferraris 2007:225 [ref. 29155] •Valid as Hypostomus madeirae (Fowler 1913) -- (Isbrücker 1980:27 [ref. 2303], Burgess 1989:431 [ref. 12860]). •Valid as Aphanotorulus madeirae (Fowler 1913) -- (Armbruster & Page 1996:384 [ref. 22151], Burgess & Finley 1996:170 [ref. 22901], Isbrücker 2001:25, 31 [ref. 25653], Isbrücker 2002:12 [ref. 27178]). •Synonym of Aphanotorulus unicolor (Steindachner 1908) -- (Armbruster 1998:254 [ref. 23319], Weber in Reis et al. 2003:352 [ref. 27061], Ferraris 2007:225 [ref. 29155], Ray & Armbruster 2016:524 [ref. 34178]). Current status: Synonym of Aphanotorulus unicolor (Steindachner 1908). Loricariidae: Hypostominae. Habitat: freshwater.

micropunctatus, Plecostomus LaMonte [F. R.] 1935:1, Fig. 1 [American Museum Novitates No. 784; ref. 13893] Near mouth of Rio Macaua, tributary of Rio Iaco, itself a tributary to Rio Purus, near Sena Madureira, Brazil. Holotype: AMNH 12598. Paratypes: AMNH 26943 (4), ?MSNM 44 [ex MSNM 4699 and ex AMNH] (3). Type catalog: Conci & Michelangeli 1974:227 [ref. 21560], Ferraris 2007:225 [ref. 29155]. •Valid as Hypostomus micropunctatus (LaMonte 1935) -- (Isbrücker 1980:28 [ref. 2303], Burgess 1989:431 [ref. 12860]). •Valid as Aphanotorulus micropunctatus (LaMonte 1935) -- (Armbruster & Page 1996:384 [ref. 22151], Burgess & Finley 1996:170 [ref. 22901], Isbrücker 2001:25, 31 [ref. 25653], Isbrücker 2002:12 [ref. 27178]). •Synonym of Hypostomus unicolor (Steindachner 1908) -- (Armbruster 2004:79 [ref. 27644]). •Synonym of Aphanotorulus unicolor (Steindachner 1908) -- (Armbruster 1998:254 [ref. 23319], Weber in Reis et al. 2003:352 [ref. 27061], Ferraris 2007:225 [ref. 29155], Ray & Armbruster 2016:525 [ref. 34178]). Current status: Synonym of Aphanotorulus unicolor (Steindachner 1908). Loricariidae: Hypostominae. Habitat: freshwater.

phrixosoma, Plecostomus Fowler [H. W.] 1940:233, Figs. 21-23 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 91 (for 1939); ref. 1432] Contamana, Río Ucayali basin, Contamana, Peru. Holotype (unique): ANSP 68650. Type catalog: Böhlke 1984:124 [ref. 13621], Ferraris 2007:298 [ref. 29155]. •Valid as Hypostomus phrixosoma (Fowler 1940) -- (Isbrücker 1980:30 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:432 [ref. 12860], Armbruster 2004:79 [ref. 27644]). •Valid as Squaliforma phrixosoma (Fowler 1940) -- (Isbrücker et al. 2001:22 [ref. 25649], Isbrücker 2001:31, 32 [ref. 25653], Isbrücker 2002:29 [ref. 27178], Weber in Reis et al. 2003:367 [ref. 27061], Ferraris 2007:298 [ref. 29155]). •Valid as Aphanotorulus phrixosoma (Fowler 1940) -- (Ray & Armbruster 2016:523 [ref. 34178] or a hybrid Aphanotorulus horridus x Aphanotorulus unicolor). •Valid as Aphanotorulus phrixosoma (Fowler 1940) -- (Oliveira et al. 2017:[7] [ref. 35225], Meza-Vargas et al. 2021:25 [ref. 39298], Chuctaya et al. 2022:42 [ref. 42137]). Current status: Uncertain as Aphanotorulus phrixosoma (Fowler 1940). Loricariidae: Hypostominae. Distribution: South America: Río Ucayali basin (Peru) endemic. Habitat: freshwater.

popoi, Plecostomus Pearson [N. E.] 1924:20, Pl. 3 (figs. 2-3) [Indiana University Studies v. 11 (no. 64); ref. 3396] Río Popoi, Upper Río Beni system, upper Amazon River basin, Bolivia. Holotype: CAS 77346 [ex IU 17010]. Paratypes: CAS 81231 [ex IU 17010] (orig. 3, now 2); UMMZ 66503 (1). Type catalog: Ferraris 2007:225 [ref. 29155]. •Valid as Hypostomus popoi (Pearson 1924) -- (Isbrücker 1980:32 [ref. 2303], Burgess 1989:432 [ref. 12860]). •Valid as Aphanotorulus popoi (Pearson 1924) -- (Armbruster & Page 1996:385 [ref. 22151], Burgess & Finley 1996:170 [ref. 22901], Isbrücker 2001:25, 31 [ref. 25653]). •Synonym of Hypostomus unicolor (Steindachner 1908) -- (Armbruster 2004:79 [ref. 27644]). •Synonym of Aphanotorulus unicolor (Steindachner 1908) -- (Armbruster 1998:254 [ref. 23319], Weber in Reis et al. 2003:352 [ref. 27061], Ferraris 2007:225 [ref. 29155], Ray & Armbruster 2016:525 [ref. 34178]). Current status: Synonym of Aphanotorulus unicolor (Steindachner 1908). Loricariidae: Hypostominae. Habitat: freshwater.

rubrocauda, Aphanotorulus Oliveira [A. S.], Rapp Py-Daniel [L. H.] & Zawadzki [C. H.] 2017:[2], Figs. 1, 2, 5 [Neotropical Ichthyology v. 15 (no. 1); ref. 35225] Rio Guariba, Resex do Guariba, tributary of the rio Aripuanã basin, Apuí Municipality, Amazonas State, Brazil, 08°45'44"S, 60°24'48"W. Holotype: INPA 33666. Paratypes: INPA, MNRJ, MZUSP, NUP, UFRO. Type catalog: Oliveira et al. 2022:29 [ref. 39255]. •Valid as Aphanotorulus rubrocauda Oliveira, Rapp Py-Daniel & Zawadzki 2017. Current status: Valid as Aphanotorulus rubrocauda Oliveira, Rapp Py-Daniel & Zawadzki 2017. Loricariidae: Hypostominae. Distribution: Rio Aripuanã basin, Rio Madeira drainage, Brazil. Habitat: freshwater.

scopularius, Plecostomus Cope [E. D.] 1871:55 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 23; ref. 19538] Amazon River above mouth of Rio Negro. Holotype (unique): ANSP 8081. Type catalog: Böhlke 1984:124 [ref. 13621], Ferraris 2007:298 [ref. 29155] with a lectotype designated by Fowler 1915:233. Also appeared in Cope 1872:286, Pl. 16 [ref. 921]. •Valid as Hypostomus scopularius (Cope 1871) -- (Isbrücker 1980:34 [ref. 2303], Burgess 1989:432 [ref. 12860], Armbruster 2004:80 [ref. 27644] as scopularus). •Valid as Squaliforma scopularia (Cope 1871) -- (Isbrücker et al. 2001:22 [ref. 25649], Isbrücker 2001:31, 32 [ref. 25653], Isbrücker 2002:29 [ref. 27178], Weber in Reis et al. 2003:367 [ref. 27061], Ferraris 2007:298 [ref. 29155]). •Synonym of Aphanotorulus horridus (Kner 1854) -- (Ray & Armbruster 2016:519 [ref. 34178]). Current status: Synonym of Aphanotorulus horridus (Kner 1854). Loricariidae: Hypostominae. Habitat: freshwater.

squalinum, Hypostoma Jardine [W.] in Schomburgk 1841:142, Pls. 2-3 [The Natural history of fishes of Guiana Part I; ref. 18707] Rio Branco, Rio Negro, and Essequibo River, South America. Holotype (unique): whereabouts unknown. Type catalog: Ferraris 2007:298 [ref. 29155]. •Valid as Hypostomus squalinus Jardine & Schomburgk 1841 -- (Isbrücker 1980:34 [ref. 2303], Burgess 1989:432 [ref. 12860], Armbruster 2004:80 [ref. 27644] with author as Schomburgk). •Valid as Squaliforma squalina (Jardine & Schomburgk 1841) -- (Isbrücker et al. 2001:22 [ref. 25649], Isbrücker 2001:28, 32 [ref. 25653], Isbrücker 2002:29 [ref. 27178], Weber in Reis et al. 2003:367 [ref. 27061], Ferraris 2007:298 [ref. 29155] with author correctly as Jardine, Weber et al. 2012:219 [ref. 31999], DoNascimiento 2016:533 [ref. 34727]). •Synonym of Aphanotorulus emarginatus (Valenciennes 1840) -- (Ray & Armbruster 2016:512 [ref. 34178], see DoNascimiento et al. 2017:[19] [ref. 35679]). Current status: Synonym of Aphanotorulus emarginatus (Valenciennes 1840). Loricariidae: Hypostominae. Habitat: freshwater.

unicolor, Plecostomus Steindachner [F.] 1908:164 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 45 (no. 11) (for 2 Apr. 1908); ref. 18806] Rio Purus, Brazil. Lectotype: NMW 44271:2. Paralectotypes: NMW 44271:1 (1) and :3 (1), 44272 (1). Type catalog: Ferraris 2007:225 [ref. 29155]. Lectotype selected by Armbruster 1998:254 [ref. 23319]. •Valid as Hypostomus unicolor (Steindachner 1908) -- (Isbrücker 1980:36 [ref. 2303], Burgess 1989:432 [ref. 12860], Armbruster 2004:80 [ref. 27644]). •Valid as Aphanotorulus unicolor (Steindachner 1908) -- (Armbruster 1998:254 [ref. 23319], Isbrücker 2001:25, 31 [ref. 25653], Isbrücker 2002:12 [ref. 27178], Weber in Reis et al. 2003:351 [ref. 27061], Ferraris 2007:225 [ref. 29155], Barriga Salazar 2014:112 [ref. 35745], Sarmiento et al. 2014:191 [ref. 35004], Ray & Armbruster 2016:524 [ref. 34178], DoNascimiento et al. 2017:82 [ref. 35633], Oliveira et al. 2017:[7] [ref. 35225], Meza-Vargas et al. 2021:25 [ref. 39298], Chuctaya et al. 2022:42 [ref. 42137], Valdiviezo-Rivera et al. 2026:13 [ref. 42854]). Current status: Valid as Aphanotorulus unicolor (Steindachner 1908). Loricariidae: Hypostominae. Distribution: South America: upper Amazon River basin (Bolivia, Brazil, Colombia, Ecuador and Peru). Habitat: freshwater.

virescens, Plecostomus Cope [E. D.] 1874:137 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 26; ref. 931] Upper Amazon [no specific locality]. Syntypes: ANSP 21280-83 (4, 1 specimen head only). Type catalog: Böhlke 1984:125 [ref. 13621], Ferraris 2007:298 [ref. 29155]. •Valid as Hypostomus virescens (Cope 1874) -- (Isbrücker 1980:38 [ref. 2303], Burgess 1989:433 [ref. 12860], Armbruster 2004:80 [ref. 27644]). •Valid as Squaliforma virescens (Cope 1874) -- (Isbrücker et al. 2001:22 [ref. 25649], Isbrücker 2001:31, 32 [ref. 25653], Isbrücker 2002:29 [ref. 27178], Weber in Reis et al. 2003:368 [ref. 27061], Ferraris 2007:298 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745]). •Synonym of Aphanotorulus horridus (Kner 1854) -- (Ray & Armbruster 2016:519 [ref. 34178]). Current status: Synonym of Aphanotorulus horridus (Kner 1854). Loricariidae: Hypostominae. Habitat: freshwater.