brittlestar vs Ridged Tooth

Amphiura chiajei compared with Hydnellum scrobiculatum

Key Differences

• brittlestar is Least Concern while Ridged Tooth is Data Deficient.

Taxonomic Classification

Rank	brittlestar	Ridged Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Echinodermata (Echinoderms)	Basidiomycota (Club Fungi)
Class	Ophiuroidea (Ophiuroidea)	Agaricomycetes (Mushrooms)
Order	Amphilepidida (Amphilepidida)	Thelephorales (Thelephorales)
Family	Amphiuridae	Bankeraceae
Genus	Amphiura	Hydnellum
Species	Amphiura chiajei	Hydnellum scrobiculatum

Conservation Status

brittlestar

LC — Least Concern

Ridged Tooth

DD — Data Deficient

Physical Characteristics

Attribute	brittlestar	Ridged Tooth
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, Portugal, and Sweden.

Ridged Tooth

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

brittlestar

The Brittlestar (Amphiura chiajei) 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 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden