brittlestar vs Divided Tunicate

Amphiura filiformis compared with Styela canopus

Key Differences

• brittlestar is Least Concern while Divided Tunicate is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	Divided Tunicate
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Ophiuroidea (Ophiuroidea)	Ascidiacea (Ascidiacea)
Order	Amphilepidida (Amphilepidida)	Stolidobranchia (Stolidobranchia)
Family	Amphiuridae	Styelidae
Genus	Amphiura	Styela
Species	Amphiura filiformis	Styela canopus

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Divided Tunicate

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	Divided Tunicate
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.

Divided Tunicate

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (5 countries), Asia (Lebanon), Europe (4 countries), North America (7 countries), Oceania and the Pacific (New Zealand, Samoa), and South America (Brazil).

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.