calliurus, Knodus Ahl [E.] 1931:208, Fig. 2 [Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin 1931 (nos. 4-7); ref. 16254] Rio Capim basin, Pará, Brazil. Holotype (unique): ZMB 23684. Types mentioned: Paepke 1995:92 [ref. 21847], Zarske & Géry 1995:116 [ref. 22674]. •Synonym of Moenkhausia lepidura (Kner 1858) -- (Zarske & Géry 1995:119 [ref. 22674], Benine in Reis et al. 2003:148 [ref. 27061], Marinho & Benine 2024:230 [ref. 40817]). •Mention -- (Ferreira & Lima 2006:637 [ref. 28919], Deprá et al. 2021:24 [ref. 38180]). •Not a synonym of Moenkhausia lepidura (Kner 1858) -- (Marinho & Langeani 2016:347 [ref. 34416]). Current status: Uncertain as Moenkhausia lepidura (Kner 1858). Characidae: Stethaprioninae. Habitat: freshwater.