Bighead spurdog vs Golden Thomasomys

Squalus bucephalus compared with Thomasomys aureus

Key Differences

• Bighead spurdog is Data Deficient while Golden Thomasomys is Least Concern.

Taxonomic Classification

Rank	Bighead spurdog	Golden Thomasomys
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 bucephalus	Thomasomys aureus

Evolutionary Relationship

Bighead spurdog and Golden Thomasomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bighead spurdog

DD — Data Deficient

Golden Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Bighead spurdog	Golden Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bighead spurdog

Golden Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Bighead spurdog

The Bighead spurdog (Squalus bucephalus) is a species in the genus Squalus.