speculiferum, Diapoma Cope [E. D.] 1894:67 [American Naturalist v. 28 (no. 325); ref. 966] Upper Rio Jacuhy [Jacuhí], Rio Grande do Sul, Brazil. Holotype (unique): ANSP 21580. Type catalog: Böhlke 1984:54 [ref. 13621]. •Valid as Diapoma speculiferum Cope 1894 -- (Malabarba 1989:134 [ref. 14217], Malabarba & Weitzman 2000:279 [ref. 24413], Weitzman in Reis et al. 2003:224 [ref. 27061], Mirande 2010:541 [ref. 31006], Menezes & Weitzman 2011:62 [ref. 31289], Litz & Koerber 2014:13 [ref. 33622], Thomaz et al. 2015:Add. 5 [ref. 33893], Bertaco et al. 2016:413 [ref. 34561], Nión et al. 2016:29 [ref. 35565], Ito et al. 2022:19 [ref. 39124], Loureiro et al. 2023:63 [ref. 40506]). Current status: Valid as Diapoma speculiferum Cope 1894. Characidae: Stevardiinae. Distribution: South America: lower elevation coastal streams in Rio Grande do Sul (Brazil) and eastern Uruguay. Habitat: freshwater.