Jolly’s Mouse Lemur vs St. James' shell

Microcebus jollyae compared with Pecten maximus

Key Differences

• Jolly’s Mouse Lemur is Endangered while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Jolly’s Mouse Lemur	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Primates (Primates)	Pectinida (Pectinida)
Family	Cheirogaleidae	Pectinidae
Genus	Microcebus	Pecten
Species	Microcebus jollyae	Pecten maximus

Evolutionary Relationship

Jolly’s Mouse Lemur and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Jolly’s Mouse Lemur

EN — Endangered

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Jolly’s Mouse Lemur	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Jolly’s Mouse Lemur

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).

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.