megalops, Knodus Myers [G. S.] in Eigenmann & Myers 1929:527 [Memoirs of the Museum of Comparative Zoology v. 43 (pt 5); ref. 1263] Río Pichis, Puerto Bermudez, Peru. Holotype (unique): CAS 61845 [ex IU 17668]. •Valid as Knodus megalops Myers 1929 -- (Ortega & Vari 1986:8 [ref. 9708], Silva in Reis et al. 2003:143 [ref. 27061], Zarske 2008:169 [ref. 29918], Barriga Salazar 2014:107 [ref. 35745], Esguícero & Castro 2014:47 [ref. 33506], Thomaz et al. 2015:Add. 5 [ref. 33893], Dos Anjos de Sousa et al. 2020:583 [ref. 37361], Meza-Vargas et al. 2021:19 [ref. 39298]). Current status: Valid as Knodus megalops Myers 1929. Stevardiidae: Diapominae. Distribution: South America: upper Amazon River basin (Peru and Ecuador). Habitat: freshwater.