Brown Diving Beetle vs Pohnpei tree snail

Agabus brunneus compared with Partula emersoni

Key Differences

• Brown Diving Beetle is Extinct while Pohnpei tree snail is Critically Endangered.

Taxonomic Classification

Rank	Brown Diving Beetle	Pohnpei tree snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Coleoptera (Beetles)	Stylommatophora (Stylommatophora)
Family	Dytiscidae	Partulidae
Genus	Agabus	Partula
Species	Agabus brunneus	Partula emersoni

Evolutionary Relationship

Brown Diving Beetle and Pohnpei tree snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Diving Beetle

EX — Extinct

Pohnpei tree snail

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Diving Beetle	Pohnpei tree snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Diving Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden.

Pohnpei tree snail

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.

Brown Diving Beetle

The Brown Diving Beetle (Agabus brunneus) is a species in the genus Agabus. It is currently classified as Extinct on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.