Black-eared Red-backed Vole vs St. James' shell

Eothenomys olitor compared with Pecten maximus

Taxonomic Classification

Rank	Black-eared Red-backed Vole	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	Cricetidae	Pectinidae
Genus	Eothenomys	Pecten
Species	Eothenomys olitor	Pecten maximus

Evolutionary Relationship

Black-eared Red-backed Vole and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-eared Red-backed Vole

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Black-eared Red-backed Vole	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-eared Red-backed Vole

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).

Black-eared Red-backed Vole

The Black-eared Red-backed Vole (Eothenomys olitor) is a species in the genus Eothenomys. It is currently classified 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.