brittlestar vs Two-spotted Groundhopper

Amphiura filiformis compared with Tetrix bipunctata

Key Differences

• brittlestar is Least Concern while Two-spotted Groundhopper is Extinct.

Taxonomic Classification

Rank	brittlestar	Two-spotted Groundhopper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Ophiuroidea (Ophiuroidea)	Insecta (Insects)
Order	Amphilepidida (Amphilepidida)	Orthoptera (Orthoptera)
Family	Amphiuridae	Tetrigidae
Genus	Amphiura	Tetrix
Species	Amphiura filiformis	Tetrix bipunctata

Evolutionary Relationship

brittlestar and Two-spotted Groundhopper share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

Two-spotted Groundhopper

EX — Extinct

Physical Characteristics

Attribute	brittlestar	Two-spotted Groundhopper
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.

Two-spotted Groundhopper

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, Norway, and Sweden.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden