Arctic barrel-bubble vs Linnaeus's mouse opossum

Retusa obtusa compared with Marmosa murina

Taxonomic Classification

Rank	Arctic barrel-bubble	Linnaeus's mouse opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Cephalaspidea (Cephalaspidea)	Didelphimorphia (Didelphimorphia)
Family	Retusidae	Didelphidae
Genus	Retusa	Marmosa
Species	Retusa obtusa	Marmosa murina

Evolutionary Relationship

Arctic barrel-bubble and Linnaeus's mouse opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Linnaeus's mouse opossum

LC — Least Concern

Physical Characteristics

Attribute	Arctic barrel-bubble	Linnaeus's mouse opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic barrel-bubble

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.

Arctic barrel-bubble

The Arctic barrel-bubble (Retusa obtusa) is a species in the genus Retusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.