Arrow-head tree snail vs Blackboard Tree

Partula sagitta compared with Alstonia scholaris

Key Differences

• Arrow-head tree snail is Extinct while Blackboard Tree is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Blackboard Tree
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Gastropoda (Gastropoda)	Magnoliopsida (Dicots)
Order	Stylommatophora (Stylommatophora)	Gentianales (Gentianales)
Family	Partulidae	Apocynaceae
Genus	Partula	Alstonia
Species	Partula sagitta	Alstonia scholaris

Conservation Status

Arrow-head tree snail

EX — Extinct

Blackboard Tree

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Blackboard Tree
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.

Blackboard Tree

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Micronesia, Taiwan, and United States.

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.

Blackboard Tree

The Blackboard Tree (Alstonia scholaris) is a species in the genus Alstonia. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.