senai, Acnodon Jégu [M.] & Santos [G. M. dos] 1990:195, Fig. 6D [Cybium v. 14 (no. 3); ref. 20145] Beach at downstream of Rio Jari, Amapà, Carapatinho Island, Brazil, 0°35'45"S, 52°38'20"W. Holotype: INPA 2680. Paratypes: INP 2681-82 (20, 20), 2719 (29), 2720 (1, cleared); MNHN 1989-0312 (4), 1989-0313 (2); MZUSP 40050 (4). Type catalog: Oyakawa 1996:450 [ref. 23140]. •Valid as Acnodon senai Jégu & Santos 1990 -- (Jégu & Santos 2002:53 [ref. 26050], Jégu in Reis et al. 2003:183 [ref. 27061], Ota et al. 2024:404 [ref. 40817]). Current status: Valid as Acnodon senai Jégu & Santos 1990. Serrasalmidae: Myleinae. Distribution: South America: Jari River drainage, Brazil. Habitat: freshwater.