brittlestar vs Rosette Tooth

Amphiura chiajei compared with Hydnellum cumulatum

Key Differences

• brittlestar is Least Concern while Rosette Tooth is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	Rosette Tooth
Kingdom	Animalia (животные)	Fungi (грибы)
Phylum	Echinodermata (иглокожие)	Basidiomycota (базидиомицеты)
Class	Ophiuroidea (Офиуры)	Agaricomycetes (агарикомицеты)
Order	Amphilepidida (Amphilepidida)	Thelephorales (Thelephorales)
Family	Amphiuridae	Bankeraceae
Genus	Amphiura	Hydnellum
Species	Amphiura chiajei	Hydnellum cumulatum

Conservation Status

brittlestar

LC — Least Concern

Rosette Tooth

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	Rosette 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.

Rosette Tooth

Habitat

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

Range

Distributed across Denmark, 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 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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden