melanzonus, Acanthophacelus Eigenmann [C. H.] 1909:51 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] In trenches, Georgetown, Guyana. Holotype: FMNH 52717 [ex CM 1086]. Paratypes: (several, CM and IU) BMNH 1911.10.31.501 (1); CAS 22559 [ex IU 11762] (4); FMNH 7523 (1), 52718 (5); MCZ 30121 (1); NMW 81109 (1); USNM 66115 [not 66113] (1); ZMB 18063 (1). Type catalog: Henn 1928:86 [ref. 12305], Paepke & Seegers 1986:172 [ref. 19981], Ibarra & Stewart 1987:4 [ref. 12367], Parenti et al. 1999:3 [ref. 24072]. •Synonym of Micropoecilis parae (Eigenmann 1894) -- (Lucinda in Reis et al. 2003:564 [ref. 27061]). •Synonym of Poecilia parae Eigenmann 1894 -- (Rosen & Bailey 1963:56 [ref. 7067], Parenti et al. 1999:3 [ref. 24072], Poeser 2003:144 [ref. 26783], Huber 2019:108 [ref. 36941]). Current status: Synonym of Poecilia parae Eigenmann 1894. Poeciliidae: Poeciliinae. Habitat: freshwater.