Arrow-head tree snail vs Dusky Dolphin

Partula sagitta compared with Lagenorhynchus obscurus

Key Differences

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

Taxonomic Classification

Rank	Arrow-head tree snail	Dusky 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 obscurus

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Dusky Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Dusky 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.

Dusky 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.