brittlestar vs Crescent Dart

Amphiura filiformis compared with Agrotis trux

Key Differences

• brittlestar is Least Concern while Crescent Dart is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	Crescent Dart
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Ophiuroidea (Ophiuroidea)	Insecta (Insects)
Order	Amphilepidida (Amphilepidida)	Lepidoptera (Butterflies & Moths)
Family	Amphiuridae	Noctuidae
Genus	Amphiura	Agrotis
Species	Amphiura filiformis	Agrotis trux

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Crescent Dart

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	Crescent Dart
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.

Crescent Dart

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Cabo Verde, and Portugal.

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.