Arctic barrel-bubble vs blunt tellin

Retusa obtusa compared with Arcopagia crassa

Key Differences

• Arctic barrel-bubble is Least Concern while blunt tellin is Vulnerable.

Taxonomic Classification

Rank	Arctic barrel-bubble	blunt tellin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Gastropoda (Gastropoda)	Bivalvia (Bivalvia)
Order	Cephalaspidea (Cephalaspidea)	Cardiida (Cardiida)
Family	Retusidae	Tellinidae
Genus	Retusa	Arcopagia
Species	Retusa obtusa	Arcopagia crassa

Evolutionary Relationship

Arctic barrel-bubble and blunt tellin share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

blunt tellin

VU — Vulnerable

Physical Characteristics

Attribute	Arctic barrel-bubble	blunt tellin
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.

blunt tellin

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

blunt tellin

The Blunt tellin (Arcopagia crassa) is a species in the genus Arcopagia. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden