brittlestar vs Lesser Prickly Sedge

Amphiura filiformis compared with Carex muricata

Key Differences

• brittlestar is Least Concern while Lesser Prickly Sedge is Near Threatened.

Taxonomic Classification

Rank	brittlestar	Lesser Prickly Sedge
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Echinodermata (Echinoderms)	Magnoliophyta (Flowering Plants)
Class	Ophiuroidea (Ophiuroidea)	Liliopsida (Monocots)
Order	Amphilepidida (Amphilepidida)	Poales (Grasses)
Family	Amphiuridae	Cyperaceae
Genus	Amphiura	Carex
Species	Amphiura filiformis	Carex muricata

Conservation Status

brittlestar

LC — Least Concern

Lesser Prickly Sedge

NT — Near Threatened

Physical Characteristics

Attribute	brittlestar	Lesser Prickly Sedge
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.

Lesser Prickly Sedge

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Europe (7 countries), North America (Canada, United States), and South America (Ecuador). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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