Irrawaddy dolphin vs Polynesian Tree Snail

Orcaella brevirostris compared with Partula navigatoria

Key Differences

• Irrawaddy dolphin is Endangered while Polynesian Tree Snail is Extinct.

Taxonomic Classification

Rank	Irrawaddy 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	Orcaella	Partula
Species	Orcaella brevirostris	Partula navigatoria

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Polynesian Tree Snail

EX — Extinct

Physical Characteristics

Attribute	Irrawaddy dolphin	Polynesian Tree Snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy 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.