Big-eared opossum vs Common Periwinkle

Didelphis aurita compared with Littorina littorea

Taxonomic Classification

Rank	Big-eared opossum	Common Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Didelphimorphia (Didelphimorphia)	Littorinimorpha (Littorinimorpha)
Family	Didelphidae	Littorinidae
Genus	Didelphis	Littorina
Species	Didelphis aurita	Littorina littorea

Evolutionary Relationship

Big-eared opossum and Common Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big-eared opossum

LC — Least Concern

Common Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Big-eared opossum	Common Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

Big-eared opossum

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Common Periwinkle

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.