brittlestar vs robust pillar snail

Amphiura filiformis compared with Cochlicopa nitens

Key Differences

• brittlestar is Least Concern while robust pillar snail is Endangered.

Taxonomic Classification

Rank	brittlestar	robust pillar snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Mollusca (Mollusks)
Class	Ophiuroidea (Ophiuroidea)	Gastropoda (Gastropoda)
Order	Amphilepidida (Amphilepidida)	Stylommatophora (Stylommatophora)
Family	Amphiuridae	Cochlicopidae
Genus	Amphiura	Cochlicopa
Species	Amphiura filiformis	Cochlicopa nitens

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

robust pillar snail

EN — Endangered

Physical Characteristics

Attribute	brittlestar	robust pillar 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, and Sweden.

robust pillar snail

Habitat

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

Range

Distributed across Denmark, France, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brittlestar

The Brittlestar (Amphiura filiformis) 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:

🇩🇰 Denmark 🇸🇪 Sweden