myersi, Brittanichthys Géry [J.] 1965:62, Figs. 5-8 [Tropical Fish Hobbyist v. 13 (no. 6, Feb.); ref. 1585] Rio Negro, unnamed inlet on shore, about 13 kilometers west of junction with Amazon, Brazil, about 3°10'S, 59°55'W. Holotype (unique): USNM 198131. Type catalog: Vari & Howe 1991:9 [ref. 19022]. •Valid as Brittanichthys myersi Géry 1965 -- (Malabarba in Reis et al. 2003:114 [ref. 27061], Taphorn et al. 2022:13 [ref. 41297]). Current status: Valid as Brittanichthys myersi Géry 1965. Acestrorhamphidae: Megalamphodinae. Distribution: South America: Rio Negro basin (Brazil, Guyana). Habitat: freshwater.