Hourglass Dolphin vs Radiolate Partula

Lagenorhynchus cruciger compared with Partula radiolata

Key Differences

• Hourglass Dolphin is Least Concern while Radiolate Partula is Critically Endangered.

Taxonomic Classification

Rank	Hourglass Dolphin	Radiolate Partula
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 cruciger	Partula radiolata

Evolutionary Relationship

Hourglass Dolphin and Radiolate Partula share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Hourglass Dolphin

LC — Least Concern

Radiolate Partula

CR — Critically Endangered

Physical Characteristics

Attribute	Hourglass Dolphin	Radiolate Partula
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Radiolate Partula

Habitat

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

Range

Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.