Ascidian vs brittlestar

Styela clava compared with Amphiura chiajei

Key Differences

• Ascidian is Not Evaluated while brittlestar is Least Concern.

Taxonomic Classification

Rank	Ascidian	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Echinodermata (Echinoderms)
Class	Ascidiacea (Ascidiacea)	Ophiuroidea (Ophiuroidea)
Order	Stolidobranchia (Stolidobranchia)	Amphilepidida (Amphilepidida)
Family	Styelidae	Amphiuridae
Genus	Styela	Amphiura
Species	Styela clava	Amphiura chiajei

Evolutionary Relationship

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

Conservation Status

Ascidian

NE — Not Evaluated

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Ascidian	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ascidian

Habitat

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

Range

Widely distributed across Europe (12 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil).

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Ascidian

Ascidian (Styela clava) is a species in the genus Styela. Native to Europe and North America and Oceania, inhabiting ecosystems characteristic of the region.

brittlestar

The Brittlestar (Amphiura chiajei) 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 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden