longipinnis, Pterolebias Garman [S.] 1895:142, Pl. 3 (fig. 14) [Memoirs of the Museum of Comparative Zoology v. 19 (pt 1); ref. 1538] Santarém, Amazon River basin, Pará, Brazil. Lectotype: USNM 120429 [ex MCZ 6829]. Paralectotypes: MCZ 6829 (5), 6831 (2); USNM 120429 [ex MCZ 6829] (1). Lectotype selected by Thomerson 1984:528 [ref. 20604]. •Valid as Pterolebias longipinnis Garman 1895 -- (Thomerson 1984:528 [ref. 20604], Huber 1995:19 [ref. 22880] as aff. longipinnis, Fernández & Butí 1996:255 [ref. 22775], Costa 1998:77 [ref. 23792], Britski et al. 1999:139 [ref. 24147], Lazara 2001:263 [ref. 25711], Costa in Reis et al. 2003:533 [ref. 27061], López et al. 2003:70 [ref. 27366], Schindler 2004:71 [ref. 28034], Menni 2004:86 [ref. 28131], Costa 2005:13 [ref. 28393], Koerber 2011:7 [ref. 31122], Koerber 2014:12 [ref. 33621], Sarmiento et al. 2014:187 [ref. 35004], Mirande & Koerber 2015:52 [ref. 35117], Calviño et al. 2016:11 [ref. 34699], Koerber et al. 2017:71 [ref. 35267], Loureiro et al. 2018:11 [ref. 36240], Drawert 2023:38 [ref. 40730]). Current status: Valid as Pterolebias longipinnis Garman 1895. Rivulidae: Rivulinae. Distribution: South America: Amazon River basin (Argentina, Bolivia, Brazil and Paraguay). Habitat: freshwater.