Cheng s Jird vs St. James' shell

Meriones chengi compared with Pecten maximus

Taxonomic Classification

Rank	Cheng s Jird	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	Muridae (Mice & Rats)	Pectinidae
Genus	Meriones	Pecten
Species	Meriones chengi	Pecten maximus

Evolutionary Relationship

Cheng s Jird and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cheng s Jird

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Cheng s Jird	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cheng s Jird

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).

Cheng s Jird

The Cheng s Jird (Meriones chengi) is a species in the genus Meriones. 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.