Flat Periwinkle vs Hummelinck s Laucha

Littorina obtusata compared with Calomys hummelincki

Taxonomic Classification

Rank	Flat Periwinkle	Hummelinck s Laucha
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	Calomys
Species	Littorina obtusata	Calomys hummelincki

Evolutionary Relationship

Flat Periwinkle and Hummelinck s Laucha share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Flat Periwinkle

LC — Least Concern

Hummelinck s Laucha

LC — Least Concern

Physical Characteristics

Attribute	Flat Periwinkle	Hummelinck s Laucha
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.

Hummelinck s Laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.