Blacktail spurdog vs Kozlov’s Pygmy Jerboa

Squalus melanurus compared with Salpingotus kozlovi

Key Differences

• Blacktail spurdog is Data Deficient while Kozlov’s Pygmy Jerboa is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Kozlov’s Pygmy Jerboa
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	Salpingotus
Species	Squalus melanurus	Salpingotus kozlovi

Evolutionary Relationship

Blacktail spurdog and Kozlov’s Pygmy Jerboa share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Kozlov’s Pygmy Jerboa

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Kozlov’s Pygmy Jerboa
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Kozlov’s Pygmy Jerboa

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.