Alder's necklace shell vs brittlestar

Euspira nitida compared with Amphiura chiajei

Taxonomic Classification

Rank	Alder's necklace shell	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Echinodermata (Echinoderms)
Class	Gastropoda (Gastropoda)	Ophiuroidea (Ophiuroidea)
Order	Littorinimorpha (Littorinimorpha)	Amphilepidida (Amphilepidida)
Family	Naticidae	Amphiuridae
Genus	Euspira	Amphiura
Species	Euspira nitida	Amphiura chiajei

Evolutionary Relationship

Alder's necklace shell and brittlestar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alder's necklace shell

LC — Least Concern

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Alder's necklace shell	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder's necklace shell

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Alder's necklace shell

The Alder's necklace shell (Euspira nitida) is a species in the genus Euspira. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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