microdactylus, Girardinus Rivas [L. R.] 1944:51 [Proceedings of the New England Zoölogical Club v. 23; ref. 13184] Spring-fed creek, tributary to Río Taco Taco of San Cristobal system at Jardin de Blain, northwestern Santa Cruz de los Pinos, Cuba. Holotype: USNM 203154 [ex Rivas coll. 110]. Paratypes: MCZ 36177 (1); UHMP 280 (?); UMMZ 143372 (10, 4 c&s); USNM 130216 (10), 206322-23 (126, 41). Type catalog: Parenti et al. 1999:10 [ref. 24072], Faloh-Gandarilla et al. 2016:6 [ref. 35177]. Type information: Rivas 1969:202 [ref. 25092]. •Synonym of Girardinus metallicus Poey 1854 -- (Rosen & Bailey 1963:112 [ref. 7067]). •Valid as Girardinus microdactylus Rivas 1944 -- (Rosen & Bailey 1963:112 [ref. 7067], Lee et al. 1983:25 [ref. 22527], Barus & Wohlgemuth 1994:245 [ref. 22069], Parenti et al. 1999:10 [ref. 24072], Lucinda in Reis et al. 2003:561 [ref. 27061], Lucinda & Reis 2005:42 [ref. 29205], Meyer 2015:120 [ref. 34698], Faloh-Gandarilla et al. 2016:6 [ref. 35177], Huber 2019:75 [ref. 36941]). Current status: Valid as Girardinus microdactylus Rivas 1944. Poeciliidae: Poeciliinae. Distribution: Sierra de los Organos, Pinar del Río, Cuba. Habitat: freshwater.