Bolivian Laucha vs St. James' shell

Calomys boliviae compared with Pecten maximus

Taxonomic Classification

Rank	Bolivian Laucha	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	Calomys	Pecten
Species	Calomys boliviae	Pecten maximus

Evolutionary Relationship

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

Conservation Status

Bolivian Laucha

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Bolivian Laucha	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bolivian Laucha

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).

Bolivian Laucha

The Bolivian Laucha (Calomys boliviae) is a species in the genus Calomys. 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.