Dwarf round ray vs Little Desert Pocket Mouse

Urotrygon nana compared with Chaetodipus arenarius

Key Differences

• Dwarf round ray is Near Threatened while Little Desert Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Little Desert Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Heteromyidae
Genus	Urotrygon	Chaetodipus
Species	Urotrygon nana	Chaetodipus arenarius

Evolutionary Relationship

Dwarf round ray and Little Desert Pocket Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Little Desert Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Little Desert Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Little Desert Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.