notatus, Anodus Jardine [W.] in Schomburgk 1841:218, Pl. 15 [The Natural history of fishes of Guiana; ref. 18707] Sandbank on the Rio Negro, South America. No types known. Provisionally placed in Anodus in original description. •Synonym of Hemiodus unimaculatus (Bloch 1794) -- (Langeani in Reis et al. 2003:99 [ref. 27061] with author as Schomburgk, Langeani 2024:369 [ref. 40817]). Current status: Synonym of Hemiodus unimaculatus (Bloch 1794). Hemiodontidae. Habitat: freshwater.