Arctic barrel-bubble vs Black Laceweaver

Retusa obtusa compared with Amaurobius ferox

Taxonomic Classification

Rank	Arctic barrel-bubble	Black Laceweaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Gastropoda (Gastropoda)	Arachnida (Arachnids)
Order	Cephalaspidea (Cephalaspidea)	Araneae (Araneae)
Family	Retusidae	Amaurobiidae
Genus	Retusa	Amaurobius
Species	Retusa obtusa	Amaurobius ferox

Evolutionary Relationship

Arctic barrel-bubble and Black Laceweaver share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Black Laceweaver

LC — Least Concern

Physical Characteristics

Attribute	Arctic barrel-bubble	Black Laceweaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic barrel-bubble

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Black Laceweaver

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

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

Arctic barrel-bubble

The Arctic barrel-bubble (Retusa obtusa) is a species in the genus Retusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Black Laceweaver

The Black Laceweaver (Amaurobius ferox) is a species in the genus Amaurobius. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial habitats from forests to deserts.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden