Common Periwinkle vs Masked Tita

Littorina littorea compared with Callicebus personatus

Key Differences

• Common Periwinkle is Least Concern while Masked Tita is Vulnerable.

Taxonomic Classification

Rank	Common Periwinkle	Masked Tita
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Primates (Primates)
Family	Littorinidae	Pitheciidae
Genus	Littorina	Callicebus
Species	Littorina littorea	Callicebus personatus

Evolutionary Relationship

Common Periwinkle and Masked Tita share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Masked Tita

VU — Vulnerable

Physical Characteristics

Attribute	Common Periwinkle	Masked Tita
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 Tita

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.