brittlestar vs St John's Rollandia

Amphiura filiformis compared with Cyanea spec

Key Differences

• brittlestar is Least Concern while St John's Rollandia is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	St John's Rollandia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Cnidaria (Cnidarians)
Class	Ophiuroidea (Ophiuroidea)	Scyphozoa (Scyphozoa)
Order	Amphilepidida (Amphilepidida)	Semaeostomeae (Semaeostomeae)
Family	Amphiuridae	Cyaneidae
Genus	Amphiura	Cyanea
Species	Amphiura filiformis	Cyanea spec

Evolutionary Relationship

brittlestar and St John's Rollandia share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

St John's Rollandia

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	St John's Rollandia
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.

St John's Rollandia

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.