Bartail spurdog vs Northern Birch Mouse

Squalus notocaudatus compared with Sicista betulina

Taxonomic Classification

Rank	Bartail spurdog	Northern Birch Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Dipodidae
Genus	Squalus	Sicista
Species	Squalus notocaudatus	Sicista betulina

Evolutionary Relationship

Bartail spurdog and Northern Birch Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bartail spurdog

LC — Least Concern

Northern Birch Mouse

LC — Least Concern

Physical Characteristics

Attribute	Bartail spurdog	Northern Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Northern Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Russia, Sweden, and Ukraine.

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.