Arrow-head tree snail vs Blue Dolphin

Partula sagitta compared with Stenella coeruleoalba

Key Differences

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

Taxonomic Classification

Rank	Arrow-head tree snail	Blue 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	Stenella
Species	Partula sagitta	Stenella coeruleoalba

Evolutionary Relationship

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

Conservation Status

Arrow-head tree snail

EX — Extinct

Blue Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Arrow-head tree snail	Blue 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.

Blue Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

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.

Blue Dolphin

Blue Dolphin (Stenella coeruleoalba) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.