axillaris, Ageniosus Günther [A.] 1864:431 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Suriname. Holotype (unique): BMNH 1864.6.2.2. Original genus should have been Ageneiosus. •Valid as Ageneiosus axillaris Günther 1864 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus inermis (Linnaeus 1766) -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Litz & Koerber 2014:17 [ref. 33622], Mirande & Koerber 2015:29 [ref. 35117], Ribeiro et al. 2017:25 [ref. 35133], Koerber et al. 2017:45 [ref. 35267]). Current status: Synonym of Ageneiosus inermis (Linnaeus 1766). Auchenipteridae: Auchenipterinae. Habitat: freshwater.