Arrow-head tree snail vs Black-shouldered Opossum

Partula sagitta compared with Caluromysiops irrupta

Key Differences

• Arrow-head tree snail is Extinct while Black-shouldered Opossum is Least Concern.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Black-shouldered Opossum

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Arrow-head tree snail

Habitat

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

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Arrow-head tree snail

The Arrow-head tree snail, Partula sagitta, is a species. It is currently assessed as extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.