Arrow-head tree snail vs Big-eared opossum

Partula sagitta compared with Didelphis aurita

Key Differences

• Arrow-head tree snail is Extinct while Big-eared opossum is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Big-eared 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	Didelphis
Species	Partula sagitta	Didelphis aurita

Evolutionary Relationship

Arrow-head tree snail and Big-eared opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrow-head tree snail

EX — Extinct

Big-eared opossum

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Big-eared 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.

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

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.