Xiphophorus Heckel

Xiphophorus Heckel, 1848: 291 .

Type species: Xiphophorus hellerii Heckel, 1848 . Type by subsequent designation. Gender: masculine.

Platypoecilus Günther, 1866: 350 . Type species: Platypoecilus maculatus Günther, 1866 . Type by monotypy. Gender: masculine.

Composition. Xiphophorus alvarezi Rosen, X. andersi Meyer & Schartl, X. birchmanni Lechner & Radda, X. clemenciae Alvarez, X. continens Rauchenberger, Kallman & Morizot, X. cortezi Rosen, X. couchianus (Girard), X. evelynae Rosen, X. gordoni Miller & Minckley, X. hellerii Heckel, X. kallmani Meyer & Schartl, X. kosszanderi Meyer & Wischnath, X. maculatus (Günther); X. malinche Rauchenberger, Kallman & Mozirot, X. mayae Meyer & Schartl, X. meyeri Schartl & Schröder, X. milleri Rosen, X. mixei Kallman, Walter, Morizot & Kazianis, X. montezumae Jordan & Snyder, X. monticolus Kallman, Walter, Morizot & Kazianis. X. multilineatus Rauchenberger, Kallman & Morizot, X. nezahualcoyotl Rauchenberger, Kallman & Morizot, X. nigrensis Rosen, X. pygmaeus Hubbs & Gordon, X. signum Rosen & Kallman, X. variatus (Meek); X. xiphidium (Gordon) .

Distribution. Mexico to Belize (Atlantic drainages).