Bartail spurdog vs brittlestar

Squalus notocaudatus compared with Amphiura filiformis

Taxonomic Classification

Rank	Bartail spurdog	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Echinodermata (Echinoderms)
Class	Elasmobranchii	Ophiuroidea (Ophiuroidea)
Order	Squaliformes (Squaliformes)	Amphilepidida (Amphilepidida)
Family	Squalidae	Amphiuridae
Genus	Squalus	Amphiura
Species	Squalus notocaudatus	Amphiura filiformis

Evolutionary Relationship

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

Conservation Status

Bartail spurdog

LC — Least Concern

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Bartail spurdog	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified 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.