Flat Periwinkle vs Linnaeus's mouse opossum

Littorina obtusata compared with Marmosa murina

Taxonomic Classification

Rank	Flat Periwinkle	Linnaeus's mouse opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Didelphimorphia (Didelphimorphia)
Family	Littorinidae	Didelphidae
Genus	Littorina	Marmosa
Species	Littorina obtusata	Marmosa murina

Evolutionary Relationship

Flat Periwinkle and Linnaeus's mouse opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Flat Periwinkle

LC — Least Concern

Linnaeus's mouse opossum

LC — Least Concern

Physical Characteristics

Attribute	Flat Periwinkle	Linnaeus's mouse opossum
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.

Linnaeus's mouse opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.