Arrow-head tree snail vs Black-spotted Cuscus

Partula sagitta compared with Spilocuscus rufoniger

Key Differences

• Arrow-head tree snail is Extinct while Black-spotted Cuscus is Critically Endangered.

Taxonomic Classification

Rank	Arrow-head tree snail	Black-spotted Cuscus
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Diprotodontia (Marsupials)
Family	Partulidae	Phalangeridae
Genus	Partula	Spilocuscus
Species	Partula sagitta	Spilocuscus rufoniger

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Black-spotted Cuscus

CR — Critically Endangered

Physical Characteristics

Attribute	Arrow-head tree snail	Black-spotted Cuscus
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-spotted Cuscus

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.

Black-spotted Cuscus

The Black-spotted Cuscus (Spilocuscus rufoniger) is a species in the genus Spilocuscus. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.