Xiphophorus Heckel [J. J.] 1848:291 Masc. Xiphophorus hellerii Heckel 1848. Type by subsequent designation. Type designated by Bleeker 1864:140 [ref. 4859], also by Günther 1866:349 [ref. 1983]. •Valid as Xiphophorus Heckel 1848 -- (Rosen 1960 [ref. 11945], Rosen & Bailey 1963:63 [ref. 7067], Kallman & Atz 1967:107 [ref. 36224], Rosen 1979:332 [ref. 22796], Paxton et al. 1989:347 [ref. 12442], Parenti & Rauchenberger 1989:8 [ref. 13538], Rodriguez 1997:674 [ref. 23266], Ghedotti 2000:11 [ref. 27228], Morris et al. 2001:65 [ref. 25123], Meyer & Schartl 2002:59 [ref. 26066], Lucinda in Reis et al. 2003:573 [ref. 27061], Meyer & Schartl 2003:57 [ref. 27477], Kallman et al. 2004:2 [ref. 27790], Hoese & Gates 2006:743 [ref. 28997], Lucinda & Reis 2005:44 [ref. 29205], Kallman & Kazianis 2006:271 [ref. 30574], Scharpf 2007:22 [ref. 30398], Minckley & Marsh 2009:257 [ref. 31114], Marshall 2011:200 [ref. 31755], Kottelat 2013:300 [ref. 32989], Jouladeh-Roudbar et al. 2015:895 [ref. 34062], McDowall & Stewart 2015:975 [ref. 34275], Meyer 2015:366 [ref. 34698], Esmaeili et al. 2017:92 [ref. 35254], Esmaeili et al. 2018:75 [ref. 36089], Fricke et al. 2018:109 [ref. 35805], Huber 2019:142 [ref. 36941]). Current status: Valid as Xiphophorus Heckel 1848. Poeciliidae: Poeciliinae.