Guajira Mouse Opossum vs St. James' shell

Marmosa xerophila compared with Pecten maximus

Key Differences

• Guajira Mouse Opossum is Vulnerable while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Guajira Mouse Opossum	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Didelphimorphia (Didelphimorphia)	Pectinida (Pectinida)
Family	Didelphidae	Pectinidae
Genus	Marmosa	Pecten
Species	Marmosa xerophila	Pecten maximus

Evolutionary Relationship

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

Conservation Status

Guajira Mouse Opossum

VU — Vulnerable

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Guajira Mouse Opossum	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guajira Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.