Chilean rock rat vs St. James' shell

Aconaemys fuscus compared with Pecten maximus

Taxonomic Classification

Rank	Chilean rock rat	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	Octodontidae	Pectinidae
Genus	Aconaemys	Pecten
Species	Aconaemys fuscus	Pecten maximus

Evolutionary Relationship

Chilean rock rat and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Chilean rock rat

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Chilean rock rat	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chilean rock rat

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).

Chilean rock rat

The Chilean rock rat (Aconaemys fuscus) is a species in the genus Aconaemys. 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.