Dwarf round ray vs Nelson s Antelope Squirrel

Urotrygon nana compared with Ammospermophilus nelsoni

Key Differences

• Dwarf round ray is Near Threatened while Nelson s Antelope Squirrel is Endangered.

Taxonomic Classification

Rank	Dwarf round ray	Nelson s Antelope Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Sciuridae (Squirrels)
Genus	Urotrygon	Ammospermophilus
Species	Urotrygon nana	Ammospermophilus nelsoni

Evolutionary Relationship

Dwarf round ray and Nelson s Antelope Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Nelson s Antelope Squirrel

EN — Endangered

Physical Characteristics

Attribute	Dwarf round ray	Nelson s Antelope Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Nelson s Antelope Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.