Merriam’s Pocket Mouse vs Ray

Perognathus merriami compared with Bathyraja schroederi

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Heteromyidae	Arhynchobatidae
Genus	Perognathus	Bathyraja
Species	Perognathus merriami	Bathyraja schroederi

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Ray

LC — Least Concern

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.