Noble Brush-tailed Mouse vs St. James' shell

Calomyscus grandis compared with Pecten maximus

Key Differences

• Noble Brush-tailed Mouse is Data Deficient while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Noble Brush-tailed Mouse	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	Calomyscidae	Pectinidae
Genus	Calomyscus	Pecten
Species	Calomyscus grandis	Pecten maximus

Evolutionary Relationship

Noble Brush-tailed Mouse and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Noble Brush-tailed Mouse

DD — Data Deficient

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Noble Brush-tailed Mouse	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Noble Brush-tailed Mouse

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.