brittlestar vs Necklace Ground Beetle

Amphiura filiformis compared with Carabus monilis

Key Differences

• brittlestar is Least Concern while Necklace Ground Beetle is Endangered.

Taxonomic Classification

Rank	brittlestar	Necklace Ground Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Ophiuroidea (Ophiuroidea)	Insecta (Insects)
Order	Amphilepidida (Amphilepidida)	Coleoptera (Beetles)
Family	Amphiuridae	Carabidae
Genus	Amphiura	Carabus
Species	Amphiura filiformis	Carabus monilis

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Necklace Ground Beetle

EN — Endangered

Physical Characteristics

Attribute	brittlestar	Necklace Ground Beetle
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.

Necklace Ground Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, Sweden, and Switzerland. 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:

🇳🇴 Norway 🇸🇪 Sweden