Common Periwinkle vs Ouistiti de Marca

Littorina littorea compared with Mico marcai

Key Differences

• Common Periwinkle is Least Concern while Ouistiti de Marca is Vulnerable.

Taxonomic Classification

Rank	Common Periwinkle	Ouistiti de Marca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Primates (Primates)
Family	Littorinidae	Callitrichidae
Genus	Littorina	Mico
Species	Littorina littorea	Mico marcai

Evolutionary Relationship

Common Periwinkle and Ouistiti de Marca share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Ouistiti de Marca

VU — Vulnerable

Physical Characteristics

Attribute	Common Periwinkle	Ouistiti de Marca
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).

Ouistiti de Marca

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.