arrow worm vs European Ground Squirrel

Parasagitta elegans compared with Spermophilus citellus

Key Differences

• arrow worm is Not Evaluated while European Ground Squirrel is Endangered.

Taxonomic Classification

Rank	arrow worm	European Ground Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chaetognatha (arrow worms)	Chordata (Chordates)
Class	Sagittoidea (Sagittoidea)	Mammalia (Mammals)
Order	Aphragmophora (Aphragmophora)	Rodentia (Rodents)
Family	Sagittidae	Sciuridae (Squirrels)
Genus	Parasagitta	Spermophilus
Species	Parasagitta elegans	Spermophilus citellus

Evolutionary Relationship

arrow worm and European Ground Squirrel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

arrow worm

NE — Not Evaluated

European Ground Squirrel

EN — Endangered

Physical Characteristics

Attribute	arrow worm	European Ground Squirrel
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.

European Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

arrow worm

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