Merriam’s Pocket Mouse vs Starrynose stingray

Perognathus merriami compared with Pastinachus stellurostris

Key Differences

• Merriam’s Pocket Mouse is Least Concern while Starrynose stingray is Critically Endangered.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Starrynose stingray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Heteromyidae	Dasyatidae
Genus	Perognathus	Pastinachus
Species	Perognathus merriami	Pastinachus stellurostris

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Starrynose stingray

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Starrynose stingray