Dwarf round ray vs Guianan Rhipidomys

Urotrygon nana compared with Rhipidomys nitela

Key Differences

• Dwarf round ray is Near Threatened while Guianan Rhipidomys is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Guianan Rhipidomys
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	Rhipidomys
Species	Urotrygon nana	Rhipidomys nitela

Evolutionary Relationship

Dwarf round ray and Guianan Rhipidomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Guianan Rhipidomys

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Guianan Rhipidomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Guianan Rhipidomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.