catenatum, Characidium Eigenmann [C. H.] 1909:40 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Warraputa, Guyana. Holotype: FMNH 52761 [ex CM 1153]. Paratypes: (14, CM and IU) BMNH 1911.10.31.162 (1); CAS 41194-95 [ex IU 11681-82] (5, 1); FMNH 7315 (1), 52762-63 (4, 1); MCZ 29930 (1); CAS-SU 21908 (1). Type catalog: Henn 1928:55 [ref. 12305], Böhlke 1953:23 [ref. 12291], Ibarra & Stewart 1987:22 [ref. 12367]. See Taphorn 1992:383 [ref. 23654]. •Synonym of Characidium steindachneri Cope 1878 -- (Buckup 1993:101 [ref. 20831], Buckup in Reis et al. 2003:91 [ref. 27061], Taphorn et al. 2006:5 [ref. 28733], Buckup 2024:303 [ref. 40817]). Current status: Synonym of Characidium steindachneri Cope 1878. Crenuchidae: Characidiinae. Habitat: freshwater.