brittlestar vs Grounded Oysterling

Amphiura filiformis compared with Crepidotus autochthonus

Key Differences

• brittlestar is Least Concern while Grounded Oysterling is Vulnerable.

Taxonomic Classification

Rank	brittlestar	Grounded Oysterling
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Echinodermata (Echinoderms)	Basidiomycota (Club Fungi)
Class	Ophiuroidea (Ophiuroidea)	Agaricomycetes (Mushrooms)
Order	Amphilepidida (Amphilepidida)	Agaricales (Gilled Mushrooms)
Family	Amphiuridae	Crepidotaceae
Genus	Amphiura	Crepidotus
Species	Amphiura filiformis	Crepidotus autochthonus

Conservation Status

brittlestar

LC — Least Concern

Grounded Oysterling

VU — Vulnerable

Physical Characteristics

Attribute	brittlestar	Grounded Oysterling
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.

Grounded Oysterling

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

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.

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