albomarginatus, Pseudopimelodus Eigenmann [C. H.] 1912:153, Pl. 11 (fig. 1) [Memoirs of the Carnegie Museum v. 5 (no. 1); ref. 1227] Tukeit, Guyana. Holotype: FMNH 53221 [ex CM 1680]. Paratypes: (22) BMNH 1911.10.31.60-61 (2); CAS 63725 [ex IU 12057] (4); FMNH 7379 (1), 53222 (8), 53572 (1); MCZ 30081 (1); CAS-SU 21931 (1); USNM 66266 (1); ZMA 104667 (1). Type catalog: Henn 1928:78 [ref. 12305], Böhlke 1953:44 [ref. 12291], Nijssen et al. 1982:61 [ref. 19236], Ibarra & Stewart 1987:71 [ref. 12367], Ferraris & Vari 1992:37 [ref. 19771], Ferraris 2007:353 [ref. 29155]. Appeared first as name only in Eigenmann 1910:384 [ref. 1224]. •Valid as Pseudopimelodus albomarginatus Eigenmann 1912 -- (Grant 1999:49 [ref. 24295], Le Bail et al. 2000:108 [ref. 24549]). •Valid as Cephalosilurus albomarginatus (Eigenmann 1912) -- (Shibatta in Reis et al. 2003:402 [ref. 27061], Ferraris 2007:353 [ref. 29155]). •Valid as Lophiosilurus albomarginatus (Eigenmann 1912) -- (Shibatta et al. 2021:3 [ref. 38931]). Current status: Valid as Lophiosilurus albomarginatus (Eigenmann 1912). Pseudopimelodidae: Batrochoglaninae. Distribution: South America: Tukeit (Guyana.) Habitat: freshwater.