elysium, Copionodon de Pinna [M. C. C.], Burger [R.] & Zanata [A. M.] 2018:[2], Figs. 1-5 [Neotropical Ichthyology v. 16 (no. 2) (e170146); ref. 35972] Riacho Águas Claras, tributary of Rio Mucugezinho, itself tributary of Rio Santo Antonio, Rio Paraguaçu drainage, Vale do Capão near Morrão outcrop, Município de Palmeiras, Chapada Diamantina, Bahia State, Brazil, 12°31'19"S, 41°28'52"W. Holotype: MZUSP 120631. Paratypes: MZUSP, UFBA. •Valid as Copionodon elysium de Pinna, Burger & Zanata 2018 -- (Silva et al. 2020:12 [ref. 37809], Vieira-Guimarães et al. 2024:49 [ref. 41258]). Current status: Valid as Copionodon elysium de Pinna, Burger & Zanata 2018. Trichomycteridae: Copionodontinae. Distribution: South America: Rio Santo Antonio drainage, upper Rio Paraguaçu basin, Bahia State (Brazil). Habitat: freshwater.