Nelson s Antelope Squirrel vs St. James' shell

Ammospermophilus nelsoni compared with Pecten maximus

Key Differences

• Nelson s Antelope Squirrel is Endangered while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Nelson s Antelope Squirrel	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	Sciuridae (Squirrels)	Pectinidae
Genus	Ammospermophilus	Pecten
Species	Ammospermophilus nelsoni	Pecten maximus

Evolutionary Relationship

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

Conservation Status

Nelson s Antelope Squirrel

EN — Endangered

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Nelson s Antelope Squirrel	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nelson s Antelope Squirrel

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.