pellucidum, Characidium Eigenmann [C. H.] 1909:39 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Gluck Island, Guyana. Holotype: FMNH 52764 [ex CM 1156]. Paratypes: CAS 60251 [ex IU 11683] (1). Type catalog: Henn 1928:56 [ref. 12305], Ibarra & Stewart 1987:22 [ref. 12367]. •Valid as Characidium pellucidum Eigenmann 1909 -- (Buckup 1993:101 [ref. 20831], Buckup 1993:332 [ref. 26741], Planquette et al. 1996:344 [ref. 22818], Zarske & Géry 2001:241 [ref. 25972], Buckup in Reis et al. 2003:90 [ref. 27061], Taphorn et al. 2006:6 [ref. 28733], Peixoto & Wosiacki 2013:56 [ref. 32558], Leitão & Buckup 2014:21 [ref. 33323], DoNascimiento et al. 2017:34 [ref. 35633], Meza-Vargas et al. 2021:20 [ref. 39298], Borstein et al. 2022:16 [ref. 39507], Taphorn et al. 2022:20 [ref. 41297]). Current status: Valid as Characidium pellucidum Eigenmann 1909. Crenuchidae: Characidiinae. Distribution: South America: Essequibo and Maroni River basins (Colombia, French Guiana, Guyana and Suriname; ?Peru). Habitat: freshwater.