Arrow-head tree snail vs Pohnpei ground Partula snail

Partula sagitta compared with Partula guamensis

Key Differences

• Arrow-head tree snail is Extinct while Pohnpei ground Partula snail is Critically Endangered.

Taxonomic Classification

Rank	Arrow-head tree snail	Pohnpei ground Partula snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class same	Gastropoda (Gastropoda)	Gastropoda (Gastropoda)
Order same	Stylommatophora (Stylommatophora)	Stylommatophora (Stylommatophora)
Family same	Partulidae	Partulidae
Genus same	Partula	Partula
Species	Partula sagitta	Partula guamensis

Evolutionary Relationship

Arrow-head tree snail and Pohnpei ground Partula snail share a common ancestor at the Genus level: Partula.

Conservation Status

Arrow-head tree snail

EX — Extinct

Pohnpei ground Partula snail

CR — Critically Endangered

Physical Characteristics

Attribute	Arrow-head tree snail	Pohnpei ground Partula snail
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.

Pohnpei ground Partula 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.

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.