Desmarest’s Spiny Pocket Mouse vs St. James' shell

Heteromys desmarestianus compared with Pecten maximus

Taxonomic Classification

Rank	Desmarest’s Spiny 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	Heteromys	Pecten
Species	Heteromys desmarestianus	Pecten maximus

Evolutionary Relationship

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

Conservation Status

Desmarest’s Spiny Pocket Mouse

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Desmarest’s Spiny Pocket Mouse	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Desmarest’s Spiny Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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).

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.