arrow worm vs Birch Marble

Parasagitta elegans compared with Apotomis betuletana

Key Differences

• arrow worm is Not Evaluated while Birch Marble is Least Concern.

Taxonomic Classification

Rank	arrow worm	Birch Marble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chaetognatha (arrow worms)	Arthropoda (Arthropods)
Class	Sagittoidea (Sagittoidea)	Insecta (Insects)
Order	Aphragmophora (Aphragmophora)	Lepidoptera (Butterflies & Moths)
Family	Sagittidae	Tortricidae
Genus	Parasagitta	Apotomis
Species	Parasagitta elegans	Apotomis betuletana

Evolutionary Relationship

arrow worm and Birch Marble share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arrow worm

NE — Not Evaluated

Birch Marble

LC — Least Concern

Physical Characteristics

Attribute	arrow worm	Birch Marble
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

arrow worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

arrow worm

The Arrow worm, Parasagitta elegans, is a species. Native to Europe, inhabiting ecosystems characteristic of the region.

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway