niger, Hemiancistrus Norman [J. R.] 1926:96 [Annals and Magazine of Natural History (Series 9) v. 18 (no. 103); ref. 15602] Oyapock River at "Sant" Cafesoca [Saut Cafesoca], French Guiana. Lectotype: BMNH 1926.3.2.756. Paralectotypes: BMNH 1926.3.2.757-760 (4). Type catalog: Ferraris 2007:287 [ref. 29155]. Lectotype selected by Heitmans el al. 1983:35 [ref. 5278]. •Valid as Lasiancistrus niger (Norman 1926) -- (Isbrücker 1980:45 [ref. 2303], Heitmans et al. 1983:35 [ref. 5278], Burgess 1989:434 [ref. 12860], Montoya-Burgos et al. 1998:367 [ref. 23850], Le Bail et al. 2000:240 [ref. 24549], Knaack 2000:58 [ref. 27233]). •Valid as Pseudancistrus niger (Norman 1926) -- (Armbruster 2004:5 [ref. 27844], Ferraris 2007:287 [ref. 29155], De Chambrier & Montoya-Burgos 2008:52 [ref. 29881], Willink et al. 2010:41 [ref. 30670]). •Valid as Guyanancistrus niger (Norman 1926) -- (Isbrücker et al. 2001:19 [ref. 25649], Isbrücker 2001:27 [ref. 25653], Isbrücker 2002:16 [ref. 27178], Fisch-Muller in Reis et al. 2003:385 [ref. 27061], Silva et al. 2014:11 [ref. 33302], Armbruster et al. 2015:99 [ref. 33670], Fisch-Muller et al. 2018:49 [ref. 35723]). Current status: Valid as Guyanancistrus niger (Norman 1926). Loricariidae: Hypostominae. Distribution: Oyapock River basin, French Guiana. Habitat: freshwater.