brittlestar vs Greater Eastern Peaclam

Amphiura filiformis compared with Pisidium dubium

Taxonomic Classification

Rank	brittlestar	Greater Eastern Peaclam
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	Pisidium
Species	Amphiura filiformis	Pisidium dubium

Evolutionary Relationship

brittlestar and Greater Eastern Peaclam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

Greater Eastern Peaclam

LC — Least Concern

Physical Characteristics

Attribute	brittlestar	Greater Eastern Peaclam
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.

Greater Eastern Peaclam

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States.

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.