brittlestar vs Flat Abalone

Amphiura filiformis compared with Haliotis walallensis

Key Differences

• brittlestar is Least Concern while Flat Abalone is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	Flat Abalone
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Mollusca (Mollusks)
Class	Ophiuroidea (Ophiuroidea)	Gastropoda (Gastropoda)
Order	Amphilepidida (Amphilepidida)	Lepetellida (Lepetellida)
Family	Amphiuridae	Haliotidae
Genus	Amphiura	Haliotis
Species	Amphiura filiformis	Haliotis walallensis

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

Flat Abalone

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	Flat Abalone
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.

Flat Abalone

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.