Common Periwinkle vs Hainan Gymnure

Littorina littorea compared with Neohylomys hainanensis

Key Differences

• Common Periwinkle is Least Concern while Hainan Gymnure is Endangered.

Taxonomic Classification

Rank	Common Periwinkle	Hainan Gymnure
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Erinaceomorpha (Erinaceomorpha)
Family	Littorinidae	Erinaceidae
Genus	Littorina	Neohylomys
Species	Littorina littorea	Neohylomys hainanensis

Evolutionary Relationship

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

Conservation Status

Common Periwinkle

LC — Least Concern

Hainan Gymnure

EN — Endangered

Physical Characteristics

Attribute	Common Periwinkle	Hainan Gymnure
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).

Hainan Gymnure

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.