brittlestar vs Knautien-Sandbiene

Amphiura filiformis compared with Andrena hattorfiana

Key Differences

• brittlestar is Least Concern while Knautien-Sandbiene is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	Knautien-Sandbiene
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Echinodermata (Stachelhäuter)	Arthropoda (Gliederfüßer)
Class	Ophiuroidea (Schlangensterne)	Insecta (Insekten)
Order	Amphilepidida (Amphilepidida)	Hymenoptera (Hautflügler)
Family	Amphiuridae	Andrenidae
Genus	Amphiura	Andrena
Species	Amphiura filiformis	Andrena hattorfiana

Evolutionary Relationship

brittlestar and Knautien-Sandbiene share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

brittlestar

LC — Least Concern

Knautien-Sandbiene

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	Knautien-Sandbiene
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Knautien-Sandbiene

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

brittlestar

The Brittlestar (Amphiura filiformis) is a species in the genus Amphiura. It is currently classified as Least Concern 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