brittlestar vs nut fingernailclam

Amphiura filiformis compared with Sphaerium rivicola

Key Differences

• brittlestar is Least Concern while nut fingernailclam is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	nut fingernailclam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Mollusca (Mollusks)
Class	Ophiuroidea (Ophiuroidea)	Bivalvia (Bivalvia)
Order	Amphilepidida (Amphilepidida)	Sphaeriida (Sphaeriida)
Family	Amphiuridae	Sphaeriidae
Genus	Amphiura	Sphaerium
Species	Amphiura filiformis	Sphaerium rivicola

Evolutionary Relationship

brittlestar and nut fingernailclam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

nut fingernailclam

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	nut fingernailclam
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.

nut fingernailclam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Ukraine.

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 2 countries:

🇩🇰 Denmark 🇳🇴 Norway