brittlestar vs Lesser Siren

Amphiura filiformis compared with Siren intermedia

Taxonomic Classification

Rank	brittlestar	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Ophiuroidea (Ophiuroidea)	Amphibia (Amphibians)
Order	Amphilepidida (Amphilepidida)	Caudata (Caudata)
Family	Amphiuridae	Sirenidae
Genus	Amphiura	Siren
Species	Amphiura filiformis	Siren intermedia

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	brittlestar	Lesser Siren
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.

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.

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.