Blacktail spurdog vs Gray Birch Mouse

Squalus melanurus compared with Sicista pseudonapaea

Taxonomic Classification

Rank	Blacktail spurdog	Gray 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 melanurus	Sicista pseudonapaea

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Gray Birch Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Blacktail spurdog	Gray Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.