Bathypygidium Whitley [G. P.] 1947:150 Neut. Pygidium totae Miles 1942. Type by being a replacement name. Replacement for Bathophilus Miles 1942, preoccupied by Bathyophilus Giglioli 1882 in fishes. •Synonym of Rhizosomichthys Miles 1943 -- (de Pinna & Wosiacki in Reis et al. 2003:278 [ref. 27061], Ferraris 2007:412 [ref. 29155]). Current status: Synonym of Rhizosomichthys Miles 1943. Trichomycteridae: Trichomycterinae.