brittlestar vs Flat Crep

Amphiura filiformis compared with Crepidotus applanatus

Key Differences

• brittlestar is Least Concern while Flat Crep is Vulnerable.

Taxonomic Classification

Rank	brittlestar	Flat Crep
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 applanatus

Conservation Status

brittlestar

LC — Least Concern

Flat Crep

VU — Vulnerable

Physical Characteristics

Attribute	brittlestar	Flat Crep
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.

Flat Crep

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Brazil). 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