Telline épaisse vs tiny risso snail

Arcopagia crassa compared with Rissoa parva

Key Differences

• Telline épaisse is Vulnerable while tiny risso snail is Least Concern.

Taxonomic Classification

Rank	Telline épaisse	tiny risso snail
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Mollusca (mollusques)	Mollusca (mollusques)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Cardiida (Cardiida)	Littorinimorpha (Littorinimorpha)
Family	Tellinidae	Rissoidae
Genus	Arcopagia	Rissoa
Species	Arcopagia crassa	Rissoa parva

Evolutionary Relationship

Telline épaisse and tiny risso snail share a common ancestor at the Phylum level: Mollusca. (mollusques)

Conservation Status

Telline épaisse

VU — Vulnerable

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	Telline épaisse	tiny risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Telline épaisse

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.

tiny risso snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Telline épaisse

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