Brown Diving Beetle vs Chalky Macoma

Agabus brunneus compared with Macoma calcarea

Key Differences

• Brown Diving Beetle is Extinct while Chalky Macoma is Least Concern.

Taxonomic Classification

Rank	Brown Diving Beetle	Chalky Macoma
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Coleoptera (Beetles)	Cardiida (Cardiida)
Family	Dytiscidae	Tellinidae
Genus	Agabus	Macoma
Species	Agabus brunneus	Macoma calcarea

Evolutionary Relationship

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

Conservation Status

Brown Diving Beetle

EX — Extinct

Chalky Macoma

LC — Least Concern

Physical Characteristics

Attribute	Brown Diving Beetle	Chalky Macoma
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.

Chalky Macoma

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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.

Chalky Macoma

The Chalky Macoma (Macoma calcarea) is a species in the genus Macoma. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden