Black-shouldered Opossum vs Pohnpei tree snail

Caluromysiops irrupta compared with Partula emersoni

Key Differences

• Black-shouldered Opossum is Least Concern while Pohnpei tree snail is Critically Endangered.

Taxonomic Classification

Rank	Black-shouldered Opossum	Pohnpei tree snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Didelphimorphia (Didelphimorphia)	Stylommatophora (Stylommatophora)
Family	Didelphidae	Partulidae
Genus	Caluromysiops	Partula
Species	Caluromysiops irrupta	Partula emersoni

Evolutionary Relationship

Black-shouldered Opossum and Pohnpei tree snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Pohnpei tree snail

CR — Critically Endangered

Physical Characteristics

Attribute	Black-shouldered Opossum	Pohnpei tree snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Pohnpei tree snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-shouldered Opossum

The Black-shouldered Opossum (Caluromysiops irrupta) is a species in the genus Caluromysiops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.