Common Periwinkle vs Northern Smooth-Tailed Treeshrew

Littorina littorea compared with Dendrogale murina

Taxonomic Classification

Rank	Common Periwinkle	Northern Smooth-Tailed 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	Dendrogale
Species	Littorina littorea	Dendrogale murina

Evolutionary Relationship

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

Conservation Status

Common Periwinkle

LC — Least Concern

Northern Smooth-Tailed Treeshrew

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	Northern Smooth-Tailed 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 Smooth-Tailed 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.