Bearded Tooth vs brittlestar

Hericium erinaceus compared with Amphiura filiformis

Key Differences

Bearded Tooth is Critically Endangered while brittlestar is Least Concern.

Taxonomic Classification

Rank	Bearded Tooth	brittlestar
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Echinodermata (Echinoderms)
Class	Agaricomycetes (Mushrooms)	Ophiuroidea (Ophiuroidea)
Order	Russulales (Russulales)	Amphilepidida (Amphilepidida)
Family	Hericiaceae	Amphiuridae
Genus	Hericium	Amphiura
Species	Hericium erinaceus	Amphiura filiformis

Conservation Status

Bearded Tooth

CR — Critically Endangered

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Bearded Tooth	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bearded Tooth

Habitat

Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Bearded Tooth

The Bearded Tooth (Hericium erinaceus) is a species in the genus Hericium. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests spanning the Indomalayan and Palearctic realms.

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.