maculatus, Chaetostomus Regan [C. T.] 1904:246, Pl. 14 (fig. 4) [Transactions of the Zoological Society of London v. 17 (pt 3, no. 1); ref. 3621] Rozmaiu, Peru. Syntypes: BMNH 1903.10.12.3-4 (2). Type catalog: Ferraris 2007:228 [ref. 29155]. Original genus is correctly Chaetostoma. Preoccupied by Chaetostomus (Ancistrus) cirrosus var. maculata Steindachner 1881, replaced by Chaetostoma greeni Isbrücker in Isbrücker et al. 2001:24. •Valid as Chaetostoma maculatum Regan 1904 -- (Isbrücker 1980:62 [ref. 2303], Ortega & Vari 1986:17 [ref. 9708], Burgess 1989:436 [ref. 12860], Isbrücker 2001:26 [ref. 25653]). •Synonym of Chaetostoma greeni Isbrücker 2001 -- (Isbrücker 2002:14 [ref. 27178], Fisch-Muller in Reis et al. 2003:385 [ref. 27061], Ferraris 2007:228 [ref. 29155]). •Synonym of Ancistrus greeni (Isbrücker 2001) -- (Lujan 2015:673 [ref. 33975]). 1°Homonym. Current status: Synonym of Ancistrus greeni (Isbrücker 2001). Loricariidae: Hypostominae. Habitat: freshwater.