Bootlace worm vs brittlestar

Lineus longissimus compared with Amphiura chiajei

Key Differences

• Bootlace worm is Not Evaluated while brittlestar is Least Concern.

Taxonomic Classification

Rank	Bootlace worm	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Nemertea (Nemertea)	Echinodermata (Echinoderms)
Class	Pilidiophora (Pilidiophora)	Ophiuroidea (Ophiuroidea)
Order	Heteronemertea (Heteronemertea)	Amphilepidida (Amphilepidida)
Family	Lineidae	Amphiuridae
Genus	Lineus	Amphiura
Species	Lineus longissimus	Amphiura chiajei

Evolutionary Relationship

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

Conservation Status

Bootlace worm

NE — Not Evaluated

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Bootlace worm	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bootlace worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Bootlace worm

The Bootlace worm (Lineus longissimus) is a species in the genus Lineus. Native to Europe, inhabiting ecosystems characteristic of the region.

brittlestar

The Brittlestar (Amphiura chiajei) 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