Brown Diving Beetle vs Chalk Screw-moss

Agabus brunneus compared with Tortula vahliana

Key Differences

Brown Diving Beetle is Extinct while Chalk Screw-moss is Vulnerable.

Taxonomic Classification

Rank	Brown Diving Beetle	Chalk Screw-moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Bryophyta
Class	Insecta (Insects)	Bryopsida (Bryopsida)
Order	Coleoptera (Beetles)	Pottiales (Pottiales)
Family	Dytiscidae	Pottiaceae
Genus	Agabus	Tortula
Species	Agabus brunneus	Tortula vahliana

Conservation Status

Brown Diving Beetle

EX — Extinct

Chalk Screw-moss

VU — Vulnerable

Physical Characteristics

Attribute	Brown Diving Beetle	Chalk Screw-moss
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.

Chalk Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Portugal. Currently classified as Vulnerable 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.

Chalk Screw-moss

The Chalk Screw-moss (Tortula vahliana) is a species in the genus Tortula. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.