blunt tellin vs thick-lipped risso snail

Arcopagia crassa compared with Rissoa membranacea

Key Differences

• blunt tellin is Vulnerable while thick-lipped risso snail is Least Concern.

Taxonomic Classification

Rank	blunt tellin	thick-lipped risso snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Cardiida (Cardiida)	Littorinimorpha (Littorinimorpha)
Family	Tellinidae	Rissoidae
Genus	Arcopagia	Rissoa
Species	Arcopagia crassa	Rissoa membranacea

Evolutionary Relationship

blunt tellin and thick-lipped risso snail share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

blunt tellin

VU — Vulnerable

thick-lipped risso snail

LC — Least Concern

Physical Characteristics

Attribute	blunt tellin	thick-lipped risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

thick-lipped risso snail

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden