Common Periwinkle vs Hurleur du Maranhao

Littorina littorea compared with Alouatta ululata

Key Differences

• Common Periwinkle is Least Concern while Hurleur du Maranhao is Endangered.

Taxonomic Classification

Rank	Common Periwinkle	Hurleur du Maranhao
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Primates (Primates)
Family	Littorinidae	Atelidae
Genus	Littorina	Alouatta
Species	Littorina littorea	Alouatta ululata

Evolutionary Relationship

Common Periwinkle and Hurleur du Maranhao share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Periwinkle

LC — Least Concern

Hurleur du Maranhao

EN — Endangered

Physical Characteristics

Attribute	Common Periwinkle	Hurleur du Maranhao
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).

Hurleur du Maranhao

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.