Dickschalige Tellmuschel vs Ray's Knotgrass

Arcopagia crassa compared with Polygonum oxyspermum

Key Differences

• Dickschalige Tellmuschel is Vulnerable while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Dickschalige Tellmuschel	Ray's Knotgrass
Kingdom	Animalia (Tier)	Plantae (Pflanzen)
Phylum	Mollusca (Weichtiere)	Magnoliophyta (Flowering Plants)
Class	Bivalvia (Muscheln)	Magnoliopsida (Dicots)
Order	Cardiida (Cardiida)	Caryophyllales (Nelkenartige)
Family	Tellinidae	Polygonaceae
Genus	Arcopagia	Polygonum
Species	Arcopagia crassa	Polygonum oxyspermum

Conservation Status

Dickschalige Tellmuschel

VU — Vulnerable

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Dickschalige Tellmuschel	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dickschalige Tellmuschel

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.

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

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

Dickschalige Tellmuschel

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