Desmarest’s Spiny Pocket Mouse vs Round Ray

Heteromys desmarestianus compared with Rajella fyllae

Key Differences

• Desmarest’s Spiny Pocket Mouse is Least Concern while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Desmarest’s Spiny Pocket Mouse	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Heteromyidae	Rajidae
Genus	Heteromys	Rajella
Species	Heteromys desmarestianus	Rajella fyllae

Evolutionary Relationship

Desmarest’s Spiny Pocket Mouse and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Desmarest’s Spiny Pocket Mouse

LC — Least Concern

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Desmarest’s Spiny Pocket Mouse	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Desmarest’s Spiny Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.