Arizona Pocket Mouse vs St. James' shell

Perognathus amplus compared with Pecten maximus

Taxonomic Classification

Rank	Arizona Pocket Mouse	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Pectinida (Pectinida)
Family	Heteromyidae	Pectinidae
Genus	Perognathus	Pecten
Species	Perognathus amplus	Pecten maximus

Evolutionary Relationship

Arizona Pocket Mouse and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arizona Pocket Mouse

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Arizona Pocket Mouse	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

St. James' shell

Habitat

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

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

Arizona Pocket Mouse

The Arizona Pocket Mouse, Perognathus amplus, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

St. James' shell

St. James' shell (Pecten maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.