brittlestar vs Spruce Tooth

Amphiura filiformis compared with Phellodon violascens

Key Differences

brittlestar is Least Concern while Spruce Tooth is Endangered.

Taxonomic Classification

Rank	brittlestar	Spruce Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Echinodermata (Echinoderms)	Basidiomycota (Club Fungi)
Class	Ophiuroidea (Ophiuroidea)	Agaricomycetes (Mushrooms)
Order	Amphilepidida (Amphilepidida)	Thelephorales (Thelephorales)
Family	Amphiuridae	Thelephoraceae
Genus	Amphiura	Phellodon
Species	Amphiura filiformis	Phellodon violascens

Conservation Status

brittlestar

LC — Least Concern

Spruce Tooth

EN — Endangered

Physical Characteristics

Attribute	brittlestar	Spruce 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, and Sweden.

Spruce Tooth

Habitat

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

Range

Distributed across Denmark, Norway, and United States. Currently classified as Endangered 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.