Dwarf round ray vs Hairy-tailed Tree Rat

Urotrygon nana compared with Brachytarsomys villosa

Key Differences

• Dwarf round ray is Near Threatened while Hairy-tailed Tree Rat is Vulnerable.

Taxonomic Classification

Rank	Dwarf round ray	Hairy-tailed Tree Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Nesomyidae
Genus	Urotrygon	Brachytarsomys
Species	Urotrygon nana	Brachytarsomys villosa

Evolutionary Relationship

Dwarf round ray and Hairy-tailed Tree Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Hairy-tailed Tree Rat

VU — Vulnerable

Physical Characteristics

Attribute	Dwarf round ray	Hairy-tailed Tree Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Hairy-tailed Tree Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.