Dwarf round ray vs Flat-skulled Shrew

Urotrygon nana compared with Sorex roboratus

Key Differences

• Dwarf round ray is Near Threatened while Flat-skulled Shrew is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Flat-skulled Shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Soricomorpha (Soricomorpha)
Family	Urotrygonidae	Soricidae
Genus	Urotrygon	Sorex
Species	Urotrygon nana	Sorex roboratus

Evolutionary Relationship

Dwarf round ray and Flat-skulled Shrew share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Flat-skulled Shrew

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Flat-skulled Shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Flat-skulled Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.