brittlestar vs thistle aphid

Amphiura filiformis compared with Brachycaudus cardui

Key Differences

• brittlestar is Least Concern while thistle aphid is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	thistle aphid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Arthropoda (Arthropods)
Class	Ophiuroidea (Ophiuroidea)	Insecta (Insects)
Order	Amphilepidida (Amphilepidida)	Hemiptera (Hemiptera)
Family	Amphiuridae	Aphididae
Genus	Amphiura	Brachycaudus
Species	Amphiura filiformis	Brachycaudus cardui

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

thistle aphid

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	thistle aphid
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.

thistle aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (6 countries) and North America (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