elliptic trough shell vs Merriam’s Pocket Mouse

Spisula elliptica compared with Perognathus merriami

Taxonomic Classification

Rank	elliptic trough shell	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Venerida (Venerida)	Rodentia (Rodents)
Family	Mactridae	Heteromyidae
Genus	Spisula	Perognathus
Species	Spisula elliptica	Perognathus merriami

Evolutionary Relationship

elliptic trough shell and Merriam’s Pocket Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

elliptic trough shell

LC — Least Concern

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	elliptic trough shell	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

elliptic trough shell

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.