Flat Periwinkle vs Narrow-headed Vole

Littorina obtusata compared with Microtus gregalis

Taxonomic Classification

Rank	Flat Periwinkle	Narrow-headed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Rodentia (Rodents)
Family	Littorinidae	Cricetidae
Genus	Littorina	Microtus
Species	Littorina obtusata	Microtus gregalis

Evolutionary Relationship

Flat Periwinkle and Narrow-headed Vole share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Flat Periwinkle

LC — Least Concern

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Flat Periwinkle	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flat Periwinkle

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.