Common Periwinkle vs Little Black Serotine

Littorina littorea compared with Eptesicus andinus

Taxonomic Classification

Rank	Common Periwinkle	Little Black Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Chiroptera (Bats)
Family	Littorinidae	Vespertilionidae
Genus	Littorina	Eptesicus
Species	Littorina littorea	Eptesicus andinus

Evolutionary Relationship

Common Periwinkle and Little Black Serotine share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	Little Black Serotine
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 Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and 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.