Irrawaddy dolphin vs least chink shell

Orcaella brevirostris compared with Lacuna parva

Key Differences

• Irrawaddy dolphin is Endangered while least chink shell is Data Deficient.

Taxonomic Classification

Rank	Irrawaddy dolphin	least chink 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	Lacuna
Species	Orcaella brevirostris	Lacuna parva

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

least chink shell

DD — Data Deficient

Physical Characteristics

Attribute	Irrawaddy dolphin	least chink shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

least chink shell

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.