Bootlace worm vs Broadgill Catshark

Lineus longissimus compared with Apristurus riveri

Key Differences

• Bootlace worm is Not Evaluated while Broadgill Catshark is Least Concern.

Taxonomic Classification

Rank	Bootlace worm	Broadgill Catshark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Nemertea (Nemertea)	Chordata (Chordates)
Class	Pilidiophora (Pilidiophora)	Chondrichthyes (Cartilaginous Fish)
Order	Heteronemertea (Heteronemertea)	Carcharhiniformes (Ground Sharks)
Family	Lineidae	Scyliorhinidae
Genus	Lineus	Apristurus
Species	Lineus longissimus	Apristurus riveri

Evolutionary Relationship

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

Conservation Status

Bootlace worm

NE — Not Evaluated

Broadgill Catshark

LC — Least Concern

Physical Characteristics

Attribute	Bootlace worm	Broadgill Catshark
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.

Broadgill Catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Venezuela.

Bootlace worm

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

Broadgill Catshark

The Broadgill Catshark (Apristurus riveri) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.