Dwarf round ray vs Little long-tailed dunnart

Urotrygon nana compared with Sminthopsis dolichura

Key Differences

• Dwarf round ray is Near Threatened while Little long-tailed dunnart is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Little long-tailed dunnart
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Dasyuromorphia (Dasyuromorphia)
Family	Urotrygonidae	Dasyuridae
Genus	Urotrygon	Sminthopsis
Species	Urotrygon nana	Sminthopsis dolichura

Evolutionary Relationship

Dwarf round ray and Little long-tailed dunnart share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Little long-tailed dunnart

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Little long-tailed dunnart
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Little long-tailed dunnart

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.