Dwarf round ray vs Kozlov’s Pygmy Jerboa

Urotrygon nana compared with Salpingotus kozlovi

Key Differences

• Dwarf round ray is Near Threatened while Kozlov’s Pygmy Jerboa is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Kozlov’s Pygmy Jerboa
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Dipodidae
Genus	Urotrygon	Salpingotus
Species	Urotrygon nana	Salpingotus kozlovi

Evolutionary Relationship

Dwarf round ray and Kozlov’s Pygmy Jerboa share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Kozlov’s Pygmy Jerboa

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Dwarf round ray

Kozlov’s Pygmy Jerboa

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.