brittlestar vs False widow

Amphiura filiformis compared with Steatoda bipunctata

Taxonomic Classification

Rank	brittlestar	False widow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Ophiuroidea (Ophiuroidea)	Arachnida (Arachnids)
Order	Amphilepidida (Amphilepidida)	Araneae (Araneae)
Family	Amphiuridae	Theridiidae
Genus	Amphiura	Steatoda
Species	Amphiura filiformis	Steatoda bipunctata

Evolutionary Relationship

brittlestar and False widow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

False widow

LC — Least Concern

Physical Characteristics

Attribute	brittlestar	False widow
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.

False widow

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found across Europe (4 countries) and North America (Canada, United States).

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