arrow-finned squid vs brittlestar

Illex oxygonius compared with Amphiura filiformis

Taxonomic Classification

Rank	arrow-finned squid	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Echinodermata (Echinoderms)
Class	Cephalopoda (Cephalopods)	Ophiuroidea (Ophiuroidea)
Order	Oegopsida (Oegopsida)	Amphilepidida (Amphilepidida)
Family	Ommastrephidae	Amphiuridae
Genus	Illex	Amphiura
Species	Illex oxygonius	Amphiura filiformis

Evolutionary Relationship

arrow-finned squid and brittlestar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arrow-finned squid

LC — Least Concern

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	arrow-finned squid	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arrow-finned squid

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

arrow-finned squid

The Arrow-finned squid, Illex oxygonius, is a species. It is currently assessed as least concern on the IUCN Red List.

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.