Hölker vs Flache Strandschnecke

Littorina littorea compared with Littorina fabalis

Taxonomic Classification

Rank	Hölker	Flache Strandschnecke
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Mollusca (Weichtiere)	Mollusca (Weichtiere)
Class same	Gastropoda (Schnecken)	Gastropoda (Schnecken)
Order same	Littorinimorpha (Littorinimorpha)	Littorinimorpha (Littorinimorpha)
Family same	Littorinidae	Littorinidae
Genus same	Littorina	Littorina
Species	Littorina littorea	Littorina fabalis

Evolutionary Relationship

Hölker and Flache Strandschnecke share a common ancestor at the Genus level: Littorina.

Conservation Status

Hölker

LC — Least Concern

Flache Strandschnecke

LC — Least Concern

Physical Characteristics

Attribute	Hölker	Flache Strandschnecke
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hölker

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Flache Strandschnecke

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Hölker

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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden