madeirensis, Ageneiosus Fisher [H. G.] 1917:426, Pl. 42 [Annals of the Carnegie Museum v. 11 (nos 3-4) (art. 15); ref. 15091] San Joaquín, upper Amazon River drainage, Bolivia. Holotype: FMNH 58143 [ex CM 7143]. Paratypes: FMNH [ex 7144] (14, 1 c&s). Type catalog: Henn 1928:74 [ref. 12305], Ibarra & Stewart 1987:6 [ref. 12367], Ferraris 2007:69 [ref. 29155]. •Valid as Ageneiosus madeirensis Fisher 1917 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus brevis Steindachner 1881 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:69 [ref. 29155]). •Synonym of Tympanopleura rondoni (Miranda Ribeiro 1914) -- (Walsh et al. 2015:38 [ref. 33781]). Current status: Synonym of Tympanopleura rondoni (Miranda Ribeiro 1914). Auchenipteridae: Auchenipterinae. Habitat: freshwater.