Bartail spurdog vs Hudson s Thomaomys

Squalus notocaudatus compared with Thomasomys hudsoni

Key Differences

• Bartail spurdog is Least Concern while Hudson s Thomaomys is Vulnerable.

Taxonomic Classification

Rank	Bartail spurdog	Hudson s Thomaomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Cricetidae
Genus	Squalus	Thomasomys
Species	Squalus notocaudatus	Thomasomys hudsoni

Evolutionary Relationship

Bartail spurdog and Hudson s Thomaomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bartail spurdog

LC — Least Concern

Hudson s Thomaomys

VU — Vulnerable

Physical Characteristics

Attribute	Bartail spurdog	Hudson s Thomaomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Hudson s Thomaomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

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.