brittlestar vs Triangle Floater

Amphiura filiformis compared with Alasmidonta undulata

Taxonomic Classification

Rank	brittlestar	Triangle Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Mollusca (Mollusks)
Class	Ophiuroidea (Ophiuroidea)	Bivalvia (Bivalvia)
Order	Amphilepidida (Amphilepidida)	Unionida (Unionida)
Family	Amphiuridae	Unionidae
Genus	Amphiura	Alasmidonta
Species	Amphiura filiformis	Alasmidonta undulata

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Triangle Floater

LC — Least Concern

Physical Characteristics

Attribute	brittlestar	Triangle Floater
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.

Triangle Floater

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.