weyrauchi, Microgenys Fowler [H. W.] 1945:3, Fig. 4 [Notulae Naturae (Philadelphia) No. 159; ref. 13141] Ninabamba near Ayacucho, Río Ucayali basin, Peru, elevation 1900 meters. Holotype (unique): ANSP 71627. Type catalog: Böhlke 1984:55 [ref. 13621]. Possible synonym of Bryconacidnus ellisi according to Langeani in Reis et al. 2003:144 [ref. 27061] •Valid as Microgenys weyrauchi Fowler 1945 -- (Ortega & Vari 1986:9 [ref. 9708], Langeani in Reis et al. 2003:145 [ref. 27061], Thomaz et al. 2015:Add. 5 [ref. 33893], Netto-Ferreira 2024:218 [ref. 40817]). Current status: Valid as Microgenys weyrauchi Fowler 1945. Characidae: Stevardiinae. Distribution: South America: Amazon River basin, Bolivia and Peru. Habitat: freshwater.