Dwarf round ray vs Heptner s Pygmy Jerboa

Urotrygon nana compared with Salpingotus heptneri

Key Differences

• Dwarf round ray is Near Threatened while Heptner s Pygmy Jerboa is Data Deficient.

Taxonomic Classification

Rank	Dwarf round ray	Heptner s Pygmy Jerboa
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Mammalia (哺乳類)
Order	Myliobatiformes (トビエイ目)	Rodentia (ネズミ目)
Family	Urotrygonidae	Dipodidae
Genus	Urotrygon	Salpingotus
Species	Urotrygon nana	Salpingotus heptneri

Evolutionary Relationship

Dwarf round ray and Heptner s Pygmy Jerboa share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Dwarf round ray

NT — Near Threatened

Heptner s Pygmy Jerboa

DD — Data Deficient

Physical Characteristics

Attribute	Dwarf round ray	Heptner s Pygmy Jerboa
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Heptner s Pygmy Jerboa

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.