brittlestar vs Irish Plume

Amphiura chiajei compared with Platyptilia tesseradactyla

Key Differences

• brittlestar is Least Concern while Irish Plume is Vulnerable.

Taxonomic Classification

Rank	brittlestar	Irish Plume
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Ophiuroidea (Ophiuroidea)	Insecta (Insects)
Order	Amphilepidida (Amphilepidida)	Lepidoptera (Butterflies & Moths)
Family	Amphiuridae	Pterophoridae
Genus	Amphiura	Platyptilia
Species	Amphiura chiajei	Platyptilia tesseradactyla

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Irish Plume

VU — Vulnerable

Physical Characteristics

Attribute	brittlestar	Irish Plume
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.

Irish Plume

Habitat

Found across multiple habitat types including temperate coniferous forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Armenia, Kazakhstan, Mongolia), Europe (23 countries), and North America (Canada, United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden