Dwarf round ray vs Northern three-striped opossum

Urotrygon nana compared with Monodelphis americana

Key Differences

• Dwarf round ray is Near Threatened while Northern three-striped opossum is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Northern three-striped opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Didelphimorphia (Didelphimorphia)
Family	Urotrygonidae	Didelphidae
Genus	Urotrygon	Monodelphis
Species	Urotrygon nana	Monodelphis americana

Evolutionary Relationship

Dwarf round ray and Northern three-striped opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Northern three-striped opossum

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Northern three-striped opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Northern three-striped opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.