Eurasian beaver vs Occidental Tuskshell

Castor fiber compared with Antalis occidentalis

Key Differences

• Eurasian beaver is Vulnerable while Occidental Tuskshell is Data Deficient.

Taxonomic Classification

Rank	Eurasian beaver	Occidental Tuskshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Scaphopoda (Scaphopoda)
Order	Rodentia (Rodents)	Dentaliida (Dentaliida)
Family	Castoridae (Beavers)	Dentaliidae
Genus	Castor (Beavers)	Antalis
Species	Castor fiber	Antalis occidentalis

Evolutionary Relationship

Eurasian beaver and Occidental Tuskshell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Occidental Tuskshell

DD — Data Deficient

Physical Characteristics

Attribute	Eurasian beaver	Occidental Tuskshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Occidental Tuskshell

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden