Andean Caenolestid vs St. James' shell

Caenolestes condorensis compared with Pecten maximus

Key Differences

• Andean Caenolestid is Vulnerable while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Andean Caenolestid	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Paucituberculata (Paucituberculata)	Pectinida (Pectinida)
Family	Caenolestidae	Pectinidae
Genus	Caenolestes	Pecten
Species	Caenolestes condorensis	Pecten maximus

Evolutionary Relationship

Andean Caenolestid and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Andean Caenolestid

VU — Vulnerable

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Andean Caenolestid	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean Caenolestid

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. 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).

Andean Caenolestid

The Andean Caenolestid (Caenolestes condorensis) is a species in the genus Caenolestes. It is currently classified as Vulnerable 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.