parvipinnis, Neofundulus Costa [W. J. E. M.] 1988:109, Figs. 4-5 [Revista Brasileira de Biologia v. 48 (no. 2); ref. 14292] Lagoa na margem direita da Br 364, 36 kilometers leste de Cuiabá, Mato Grosso, Brazil. Holotype: MZUSP 36618. Paratypes: MZUSP 36619 (1), 26620 [?36620] (5), 36687 (1). •Valid as Neofundulus parvipinnis Costa 1988 -- (Costa 1993:618 [ref. 21314], Costa 1998:78 [ref. 23792], Britski et al. 1999:140 [ref. 24147], Lazara 2001:215 [ref. 25711], Costa in Reis et al. 2003:532 [ref. 27061], Calviño 2005:15 [ref. 28325], Nielsen & Brousseau 2013:114 [ref. 32795], Costa 2015:16 [ref. 33783]). Current status: Valid as Neofundulus parvipinnis Costa 1988. Rivulidae: Rivulinae. Distribution: Paraguay River basin, Brazil. Habitat: freshwater.