Common Periwinkle vs Northern Treeshrew

Littorina littorea compared with Tupaia belangeri

Taxonomic Classification

Rank	Common Periwinkle	Northern Treeshrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Scandentia (Scandentia)
Family	Littorinidae	Tupaiidae
Genus	Littorina	Tupaia
Species	Littorina littorea	Tupaia belangeri

Evolutionary Relationship

Common Periwinkle and Northern Treeshrew share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Northern Treeshrew

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	Northern Treeshrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Periwinkle

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Northern Treeshrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Periwinkle

Common Periwinkle (Littorina littorea) 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.