diktyota, Moenkhausia Lima [F. C. T.] & Toledo-Piza [M.] 2001:1058, Figs 1-2 [Copeia 2001 (no. 4); ref. 25823] Rio Negro, igarapé at São João, near Santa Isabel do Rio Negro, 0°24'S, 65°02'W, Amazonas, Brazil. Holotype: MZUSP 62614. Paratypes: INPA 16200 (1); MZUSP 62615 (9, 1 c&s), 64107 (2); USNM 363175 (1). •Valid as Moenkhausia diktyota Lima & Toledo-Piza 2001 -- (Benine in Reis et al. 2003:147 [ref. 27061], Benine et al. 2007:262 [ref. 29279], Benine et al. 2009:161 [ref. 30250] as dyktiota, Marinho & Langeani 2010:887 [ref. 30927], Dagosta et al. 2015:424 [ref. 33998], Ohara & Marinho 2016:[6] 42 [ref. 34383], Bogotá-Gregory et al. 2020:1399 [ref. 37878], Reia et al. 2021:11 [ref. 38582]). •Valid as Bario diktyotus (Lima & Toledo-Piza 2001) -- (Melo et al. 2024:27 [ref. 41541]). Current status: Valid as Bario diktyotus (Lima & Toledo-Piza 2001). Acestrorhamphidae: Thayeriinae. Distribution: South America: Rio Negro drainage, Rio Orinoco basin (Brazil, Colombia and Venezuela). Habitat: freshwater.