Bartail spurdog vs Merriam’s Pocket Mouse

Squalus notocaudatus compared with Perognathus merriami

Taxonomic Classification

Rank	Bartail spurdog	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Heteromyidae
Genus	Squalus	Perognathus
Species	Squalus notocaudatus	Perognathus merriami

Evolutionary Relationship

Bartail spurdog and Merriam’s Pocket Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bartail spurdog

LC — Least Concern

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Bartail spurdog	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.