Arrow-head tree snail vs Hourglass Dolphin

Partula sagitta compared with Lagenorhynchus cruciger

Key Differences

• Arrow-head tree snail is Extinct while Hourglass Dolphin is Least Concern.

Taxonomic Classification

Rank	Arrow-head tree snail	Hourglass 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	Delphinidae (Oceanic Dolphins)
Genus	Partula	Lagenorhynchus
Species	Partula sagitta	Lagenorhynchus cruciger

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Hourglass Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Hourglass 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.

Hourglass 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.