Merriam’s Pocket Mouse vs Smalltooth stingray

Perognathus merriami compared with Hypanus rudis

Key Differences

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

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Smalltooth 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	Hypanus
Species	Perognathus merriami	Hypanus rudis

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Smalltooth stingray

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smalltooth stingray