brittlestar vs thick-lipped risso snail

Amphiura chiajei compared with Rissoa membranacea

Taxonomic Classification

Rank	brittlestar	thick-lipped risso snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Mollusca (Mollusks)
Class	Ophiuroidea (Ophiuroidea)	Gastropoda (Gastropoda)
Order	Amphilepidida (Amphilepidida)	Littorinimorpha (Littorinimorpha)
Family	Amphiuridae	Rissoidae
Genus	Amphiura	Rissoa
Species	Amphiura chiajei	Rissoa membranacea

Evolutionary Relationship

brittlestar and thick-lipped risso snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

thick-lipped risso snail

LC — Least Concern

Physical Characteristics

Attribute	brittlestar	thick-lipped risso snail
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.

thick-lipped risso snail

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

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