Common Periwinkle vs Masked Mouse-tailed Dormouse

Littorina littorea compared with Myomimus personatus

Key Differences

• Common Periwinkle is Least Concern while Masked Mouse-tailed Dormouse is Data Deficient.

Taxonomic Classification

Rank	Common Periwinkle	Masked Mouse-tailed Dormouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Rodentia (Rodents)
Family	Littorinidae	Gliridae
Genus	Littorina	Myomimus
Species	Littorina littorea	Myomimus personatus

Evolutionary Relationship

Common Periwinkle and Masked Mouse-tailed Dormouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Masked Mouse-tailed Dormouse

DD — Data Deficient

Physical Characteristics

Attribute	Common Periwinkle	Masked Mouse-tailed Dormouse
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).

Masked Mouse-tailed Dormouse

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.