brittlestar vs Mudworm

Amphiura chiajei compared with Aporrectodea limicola

Key Differences

• brittlestar is Least Concern while Mudworm is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	Mudworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Annelida (Segmented Worms)
Class	Ophiuroidea (Ophiuroidea)	Clitellata (Clitellata)
Order	Amphilepidida (Amphilepidida)	Crassiclitellata (Crassiclitellata)
Family	Amphiuridae	Lumbricidae
Genus	Amphiura	Aporrectodea
Species	Amphiura chiajei	Aporrectodea limicola

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Mudworm

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	Mudworm
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, Portugal, and Sweden.

Mudworm

Habitat

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

Range

Distributed across Belgium, Norway, Sweden, and United States.

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 2 countries:

🇳🇴 Norway 🇸🇪 Sweden