ornatipinnis, Neofundulus Myers [G. S.] 1935:8 [Proceedings of the Biological Society of Washington v. 48; ref. 3109] Swamp at Makthlawaiya, 60 miles west of Río Paraguay, Paraguay, 23°25'S, 58°19'W. Holotype: USNM 94401. •Valid as Neofundulus ornatipinnis Myers 1935 -- (Parenti 1981:489 [ref. 7066], Costa 1993:618 [ref. 21314], Huber 1995:20 [ref. 22880], Costa 1998:78 [ref. 23792], Lazara 2001:215 [ref. 25711], Costa in Reis et al. 2003:532 [ref. 27061], López et al. 2003:70 [ref. 27366] as ornatipinniss, Menni 2004:86 [ref. 28131], Calviño 2005:17 [ref. 28325], Nielsen & Brousseau 2013:114 [ref. 32795], Sarmiento et al. 2014:187 [ref. 35004]). •Synonym of Neofundulus paraguayensis (Eigenmann & Kennedy 1903) -- (Mirande & Koerber 2015:51 [ref. 35117] with question, Koerber et al. 2017:7 [ref. 35083], Koerber et al. 2017:71 [ref. 35267], Koerber et al. 2017:8 [ref. 35632], Mirande & Koerber 2020:2 [ref. 37594]). Current status: Synonym of Neofundulus paraguayensis (Eigenmann & Kennedy 1903). Rivulidae: Rivulinae. Habitat: freshwater.