Black-Lined Periwinkle vs brittlestar

Littorina saxatilis compared with Amphiura filiformis

Taxonomic Classification

Rank	Black-Lined Periwinkle	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Echinodermata (Echinoderms)
Class	Gastropoda (Gastropoda)	Ophiuroidea (Ophiuroidea)
Order	Littorinimorpha (Littorinimorpha)	Amphilepidida (Amphilepidida)
Family	Littorinidae	Amphiuridae
Genus	Littorina	Amphiura
Species	Littorina saxatilis	Amphiura filiformis

Evolutionary Relationship

Black-Lined Periwinkle and brittlestar share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Black-Lined Periwinkle

LC — Least Concern

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Black-Lined Periwinkle	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Lined Periwinkle

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Namibia, South Africa), Europe (5 countries), and North America (United States).

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Black-Lined Periwinkle

The Black-Lined Periwinkle (Littorina saxatilis) is a species in the genus Littorina. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

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.