Dwarf round ray vs Eastern Mole Vole

Urotrygon nana compared with Ellobius tancrei

Key Differences

• Dwarf round ray is Near Threatened while Eastern Mole Vole is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Eastern Mole Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Cricetidae
Genus	Urotrygon	Ellobius
Species	Urotrygon nana	Ellobius tancrei

Evolutionary Relationship

Dwarf round ray and Eastern Mole Vole share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Eastern Mole Vole

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Eastern Mole Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Eastern Mole Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.