Arrow-head tree snail vs Chinese river dolphin

Partula sagitta compared with Lipotes vexillifer

Key Differences

• Arrow-head tree snail is Extinct while Chinese river dolphin is Critically Endangered.

Taxonomic Classification

Rank	Arrow-head tree snail	Chinese river dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Cetacea (Whales & Dolphins)
Family	Partulidae	Lipotidae
Genus	Partula	Lipotes
Species	Partula sagitta	Lipotes vexillifer

Evolutionary Relationship

Arrow-head tree snail and Chinese river dolphin share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arrow-head tree snail

EX — Extinct

Chinese river dolphin

CR — Critically Endangered

Physical Characteristics

Attribute	Arrow-head tree snail	Chinese river dolphin
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.

Chinese river dolphin

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.

Chinese river dolphin

The Chinese River Dolphin (Lipotes vexillifer) is a species in the genus Lipotes. It is currently classified as Critically Endangered on the IUCN Red List.