Common Periwinkle vs Gray Dwarf Hamster

Littorina littorea compared with Cricetulus migratorius

Taxonomic Classification

Rank	Common Periwinkle	Gray Dwarf Hamster
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Rodentia (Rodents)
Family	Littorinidae	Cricetidae
Genus	Littorina	Cricetulus
Species	Littorina littorea	Cricetulus migratorius

Evolutionary Relationship

Common Periwinkle and Gray Dwarf Hamster share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Gray Dwarf Hamster

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	Gray Dwarf Hamster
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).

Gray Dwarf Hamster

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.