Arrowhead Spiketail vs brittlestar

Cordulegaster obliqua compared with Amphiura filiformis

Taxonomic Classification

Rank	Arrowhead Spiketail	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Echinodermata (Echinoderms)
Class	Insecta (Insects)	Ophiuroidea (Ophiuroidea)
Order	Odonata (Odonata)	Amphilepidida (Amphilepidida)
Family	Cordulegastridae	Amphiuridae
Genus	Cordulegaster	Amphiura
Species	Cordulegaster obliqua	Amphiura filiformis

Evolutionary Relationship

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

Conservation Status

Arrowhead Spiketail

LC — Least Concern

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Arrowhead Spiketail	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowhead Spiketail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Arrowhead Spiketail

The Arrowhead Spiketail, Cordulegaster obliqua, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.