planiceps, Ancistrus Meek [S. E.] & Hildebrand [S. F.] 1913:79 [Field Museum of Natural History, Publications, Zoölogical Series v. 10 (no. 8); ref. 12295] Río Tuyra, Boca de Cupe, Panama. Holotype: FMNH 7580. Paratypes: FMNH 29291-93 (1, 1, 1), 26290-302 (13); USNM 78312 (2), 79137-38 (1, 4). Type catalog: Ibarra & Stewart 1987:8 [ref. 12367], Ferraris & Vari 1992:25 [ref. 19771] with remarks: probable paratypes, Ferraris 2007:264 [ref. 29155]. •Valid as Lasiancistrus planiceps (Meek & Hildebrand 1913) -- (Isbrücker 1980:46 [ref. 2303], Burgess 1989:434 [ref. 12860], Knaack 2000:58 [ref. 27233], Isbrücker 2001:25, 29 [ref. 25653], Isbrücker 2002:20 [ref. 27178]). •Synonym of Lasiancistrus caucanus Eigenmann 1912 -- (Armbruster 2005:553 [ref. 28554], Ferraris 2007:264 [ref. 29155]). •Synonym of Lasiancistrus mayoloi (Eigenmann 1912) -- (Poveda-Cuellar et al. 2023:17 [ref. 40298]). Current status: Synonym of Lasiancistrus mayoloi (Eigenmann 1912). Loricariidae: Hypostominae. Habitat: freshwater.