Uruguay Redbelly Toad
Melanophryniscus atroluteus
- Least concern
- Card rarity: Common
- Amphibians

Melanophryniscus atroluteus is a species of toad in the family Bufonidae. It is found in northeastern Argentina, Uruguay, southern Paraguay, and southern Brazil. While in the past it was considered a subspecies of Melanophryniscus stelzneri, it might rather be conspecific with Melanophryniscus montevidensis. Common name Uruguay redbelly toad has been coined for it.
Classification
- Class
- Amphibia
- Order
- Anura
- Family
- Bufonidae
- Genus
- Melanophryniscus