Irrawaddy dolphin vs robust shell

Orcaella brevirostris compared with Littoraria undulata

Key Differences

• Irrawaddy dolphin is Endangered while robust shell is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	robust shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Cetacea (Whales & Dolphins)	Littorinimorpha (Littorinimorpha)
Family	Delphinidae (Oceanic Dolphins)	Littorinidae
Genus	Orcaella	Littoraria
Species	Orcaella brevirostris	Littoraria undulata

Evolutionary Relationship

Irrawaddy dolphin and robust shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

robust shell

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	robust shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

robust shell

Habitat

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

Range

Found in Taiwan.