Common Periwinkle vs Little White-shouldered Bat

Littorina littorea compared with Ametrida centurio

Taxonomic Classification

Rank	Common Periwinkle	Little White-shouldered Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Chiroptera (Bats)
Family	Littorinidae	Phyllostomidae
Genus	Littorina	Ametrida
Species	Littorina littorea	Ametrida centurio

Evolutionary Relationship

Common Periwinkle and Little White-shouldered Bat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Little White-shouldered Bat

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	Little White-shouldered Bat
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).

Little White-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.