| Espécie | Táxon superior |
|---|---|
 Uirapuru-azul | Thamnomanes |
| Uromacerina ricardinii | Uromacerina |
| Vanzosaura savanicola | Vanzosaura |
| Vitex mexiae | Vitex |
| Vitreorana baliomma | Vitreorana |
 Vitreorana eurygnatha | Vitreorana |
| Xenodon guentheri | Xenodon |
 Xenohyla eugenioi | Xenohyla |
| Zachaenus carvalhoi | Zachaenus |
 Zygopetalum crinitum | Zygopetalum |