Dusky Dolphin vs Polynesian Tree Snail

Lagenorhynchus obscurus compared with Partula cytherea

Key Differences

• Dusky Dolphin is Least Concern while Polynesian Tree Snail is Extinct.

Taxonomic Classification

Rank	Dusky Dolphin	Polynesian Tree Snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Cetacea (Whales & Dolphins)	Stylommatophora (Stylommatophora)
Family	Delphinidae (Oceanic Dolphins)	Partulidae
Genus	Lagenorhynchus	Partula
Species	Lagenorhynchus obscurus	Partula cytherea

Evolutionary Relationship

Dusky Dolphin and Polynesian Tree Snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Dusky Dolphin

LC — Least Concern

Polynesian Tree Snail

EX — Extinct

Physical Characteristics

Attribute	Dusky Dolphin	Polynesian Tree Snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Polynesian Tree Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.