| Species | Name Used in Reference |
|---|---|
| Xiphophorus couchianus (Girard, 1859) | Xiphophorus couchianus (p. ) |
| Xiphophorus hellerii Heckel, 1848 | Xiphophorus helleri (p. ) |
| Xiphophorus hellerii Heckel, 1848 | Xiphophorus hellerii (p. ) |
| Xiphophorus maculatus (Günther, 1866) | Platypoecilus maculatus (p. ) |
| Xiphophorus maculatus (Günther, 1866) | Xiphophorus maculatus (p. ) |
| Xiphophorus montezumae Jordan & Snyder, 1899 | Xiphophorus montezumae (p. ) |
| Xiphophorus variatus (Meek, 1904) | Platypoecilus variatus (p. ) |
| Xiphophorus variatus (Meek, 1904) | Xiphophorus variatus (p. ) |
| Xiphophorus xiphidium (Gordon, 1932) | Platypoecilus xiphidium (p. ) |
| Xiphophorus xiphidium (Gordon, 1932) | Xiphophorus xiphidium (p. ) |