greeni, Chaetostoma Isbrücker [I. J. H.] in Isbrücker et al. 2001:24 [DATZ-Sonderheft Harnischwelse 2 [Special issue no. 2]; ref. 25649] "Rozmaiu, Upper Peru" [locality uncertain, Peru likely]. Lectotype: BMNH 1903.10.12.3. Paralectotype: BMNH 1903.10.12.4 (1). Type catalog: Ferraris 2007:228 [ref. 29155]. Replacement name for Chaetostomus maculatus Regan 1904, preoccupied by Chaetostomus (Ancistrus) cirrhosus var. maculata Steindachner 1881. Lectotype selected by Bifi & Ortega 2020:6 [ref. 37454]. •Valid as Chaetostoma greeni Isbrücker 2001 -- (Isbrücker in Isbrücker 2001:24 [ref. 25649], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:380 [ref. 27061], Salcedo 2006:63 [ref. 28542], Ferraris 2007:228 [ref. 29155], Barriga Salazar 2014:113 [ref. 35745] as cf. greeni). •Valid as Ancistrus greeni (Isbrücker 2001) -- (Lujan et al. 2015:673 [ref. 33975], Bifi et al. 2019:8 [ref. 36821], Bifi & Ortega 2020:3 [ref. 37454], Neuhaus et al. 2023:7 [ref. 40715]). Replacement Name. Current status: Valid as Ancistrus greeni (Isbrücker 2001). Loricariidae: Hypostominae. Distribution: South America: Madre de Dios and Inambari River drainages, western Amazon basin, Peru. Habitat: freshwater.