Common Periwinkle vs Dusky melanomys

Littorina littorea compared with Melanomys caliginosus

Taxonomic Classification

Rank	Common Periwinkle	Dusky melanomys
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Mollusca (软体动物门)	Chordata (脊索动物门)
Class	Gastropoda (腹足纲)	Mammalia (哺乳動物)
Order	Littorinimorpha (滨螺形目)	Rodentia (啮齿目)
Family	Littorinidae	Cricetidae
Genus	Littorina	Melanomys
Species	Littorina littorea	Melanomys caliginosus

Evolutionary Relationship

Common Periwinkle and Dusky melanomys share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Common Periwinkle

LC — Least Concern

Dusky melanomys

LC — Least Concern

Physical Characteristics

Attribute	Common Periwinkle	Dusky melanomys
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).

Dusky melanomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Common Periwinkle

玉黍螺（Littorina littorea）在IUCN红色名录中被列为无危（LC）。在其分布范围内广泛分布，种群数量稳定，无直接保护威胁。