Dwarf round ray vs Porter s Rock Rat

Urotrygon nana compared with Aconaemys porteri

Key Differences

• Dwarf round ray is Near Threatened while Porter s Rock Rat is Data Deficient.

Taxonomic Classification

Rank	Dwarf round ray	Porter s Rock Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Octodontidae
Genus	Urotrygon	Aconaemys
Species	Urotrygon nana	Aconaemys porteri

Evolutionary Relationship

Dwarf round ray and Porter s Rock Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Porter s Rock Rat

DD — Data Deficient

Physical Characteristics

Attribute	Dwarf round ray	Porter s Rock Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Porter s Rock Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.