Dwarf round ray vs Large Cordillera Shrew Mouse

Urotrygon nana compared with Archboldomys maximus

Key Differences

• Dwarf round ray is Near Threatened while Large Cordillera Shrew Mouse is Data Deficient.

Taxonomic Classification

Rank	Dwarf round ray	Large Cordillera Shrew Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Muridae (Mice & Rats)
Genus	Urotrygon	Archboldomys
Species	Urotrygon nana	Archboldomys maximus

Evolutionary Relationship

Dwarf round ray and Large Cordillera Shrew Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Large Cordillera Shrew Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Dwarf round ray	Large Cordillera Shrew Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Large Cordillera Shrew Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.