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 Ahanotorulus 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.