Dwarf round ray vs Marinho's Oryzomys

Urotrygon nana compared with Cerradomys marinhus

Key Differences

• Dwarf round ray is Near Threatened while Marinho's Oryzomys is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Marinho's Oryzomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Cricetidae
Genus	Urotrygon	Cerradomys
Species	Urotrygon nana	Cerradomys marinhus

Evolutionary Relationship

Dwarf round ray and Marinho's Oryzomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Marinho's Oryzomys

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Marinho's Oryzomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Marinho's Oryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.