Species that contain: Ageneiosus and atronasus [ 3 ] records

atronasus, Ageneiosus Eigenmann [C. H.] & Eigenmann [R. S.] 1888:149 [Proceedings of the California Academy of Sciences (Series 2) v. 1 (pt 2); ref. 1249] South America ("exact locality unknown"). Holotype (unique): MCZ 27270. Type catalog: Ferraris 2007:68 [ref. 29155]. •Valid as Ageneiosus atronasus Eigenmann & Eigenmann 1888 -- (Burgess 1989:286 [ref. 12860], Burgess & Finley 1996:167 [ref. 22901], Ferraris in Reis et al. 2003:471 [ref. 27061], Schraml 2005:20 [ref. 28585], Ferraris 2007:68 [ref. 29155], Ribeiro & Rapp Py-Daniel 2010:102 [ref. 30759], Barriga Salazar 2014:115 [ref. 35745], Birindelli 2014:535 [ref. 33501], Sarmiento et al. 2014:141, 189 [ref. 35004]). •Valid as Tympanopleura atronasus (Eigenmann & Eigenmann 1888) -- (Walsh et al. 2015:13 [ref. 33781], DoNascimiento et al. 2017:86 [ref. 35633], Calegari et al. 2019:[98] [ref. 36961], Careaga et al. 2020:77 [ref. 37774], Hashimoto et al. 2020:[3] 16 [ref. 37940], Meza-Vargas et al. 2021:23 [ref. 39298]). Current status: Valid as Tympanopleura atronasus (Eigenmann & Eigenmann 1888). Auchenipteridae: Auchenipterinae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Ecuador, Colombia and Peru). Habitat: freshwater.

melanopogon, Ageneiosus Miranda Ribeiro [A. de] 1917:51 [Revista da Sociedade Brasileira de Sciências (Rio de Janeiro) v. 1; ref. 5742] Rio Solimões, Amazon River system, Brazil. Holotype (unique): whereabouts unknown. Type catalog: Ferraris 2007:68 [ref. 29155]. •Valid as Ageneiosus melanopogon Miranda Ribeiro 1917 -- (Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus atronasus Eigenmann & Eigenmann 1888 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:68 [ref. 29155]). •Synonym of Tympanopleura atronasus (Eigenmann & Eigenmann 1888) -- (Walsh et al.2015:14 [ref. 33781]). Current status: Synonym of Tympanopleura atronasus (Eigenmann & Eigenmann 1888). Auchenipteridae: Auchenipterinae. Habitat: freshwater.

nigricollis, Tympanopleura Eigenmann [C. H.] & Allen [W. R.] 1942:139, Pls. 5 (figs. 2-3), 6 (fig. 3) [Fishes of western South America; ref. 1246] Iquitos, upper Amazon River basin, Peru. Holotype: CAS 57940 [ex IU 15788]. Paratypes: CAS 57941 [ex IU 15788b-d] (3), CAS 57942 [ex IU 15789] (1). Type catalog: Ferraris 2007:68 [ref. 29155]. •Valid as Tympanopleura nigricollis Eigenmann & Allen 1942 -- (Ortega & Vari 1986:14 [ref. 9708], Burgess 1989:286 [ref. 12860]). •Synonym of Ageneiosus atronasus Eigenmann & Eigenmann 1888 -- (Ferraris in Reis et al. 2003:471 [ref. 27061], Ferraris 2007:68 [ref. 29155]). •Synonym of Tympanopleura atronasus (Eigenmann & Eigenmann 1888) -- (Walsh et al.2015:14 [ref. 33781]). Current status: Synonym of Tympanopleura atronasus (Eigenmann & Eigenmann 1888). Auchenipteridae: Auchenipterinae. Habitat: freshwater.