Brown Diving Beetle vs Flat Periwinkle

Agabus brunneus compared with Littorina obtusata

Key Differences

• Brown Diving Beetle is Extinct while Flat Periwinkle is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Flat Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Coleoptera (Beetles)	Littorinimorpha (Littorinimorpha)
Family	Dytiscidae	Littorinidae
Genus	Agabus	Littorina
Species	Agabus brunneus	Littorina obtusata

Evolutionary Relationship

Brown Diving Beetle and Flat Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Diving Beetle

EX — Extinct

Flat Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Flat Periwinkle
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.

Flat Periwinkle

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden