Roundnose minnow
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Cypriniformes
- family: Cyprinidae
- genus: Dionda
- species: Dionda episcopa
Saltillo
Coahuila- Villa Ocampo
Durango- Montemorelos
Nuevo León- Ciudad Victoria
Tamaulipas
Mexico
Corrales- Fort Sumner
- Santa Rosa
New Mexico
United States