butcheri, Pseudopimelodus villosus Schultz [L. P.] 1944:199, Pl. 1 (fig. B) [Proceedings of the United States National Museum v. 94 (no. 3172); ref. 3959] Río San Juan near bridge south of Mene Grande, tributary to Rio Motatán, Maracaibo basin, Venezuela. Holotype: USNM 121270. Paratypes: G Dahl coll. (3), MBUCV-V-10935 (1), MCZ 36213 (5), and UMMZ 142493 (3) all ex USNM 121273; USNM 121271 (25, now 22), 121272 (2), 121273 (58, now 46), 121274-80 (6, 1, 11, 1, 1, 5, 2); ZMA 102122 (3). Type catalog: Nijssen et al. 1982:61-62 [ref. 19236], Ferraris & Vari 1992:37 [ref. 19771], Provenzano et al. 1998:15 [ref. 24196], Ferraris 2007:352 [ref. 29155]. •Questionably a synonym of Pseudopimelodus raninus (Valenciennes 1840) -- (Grant 1999:44 [ref. 24295]). •Synonym of Batrochoglanis acanthochiroides (Güntert 1942) -- (Shibatta in Reis et al. 2003:401 [ref. 27061], Ferraris 2007:352 [ref. 29155]). Current status: Synonym of Batrochoglanis acanthochiroides (Güntert 1942). Pseudopimelodidae: Batrochoglaninae. Habitat: freshwater.