Olive-gray Thomasomys vs Scoophead

Thomasomys cinereus compared with Sphyrna media

Key Differences

• Olive-gray Thomasomys is Least Concern while Scoophead is Critically Endangered.

Taxonomic Classification

Rank	Olive-gray Thomasomys	Scoophead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Rodentia (Rodents)	Carcharhiniformes (Ground Sharks)
Family	Cricetidae	Sphyrnidae (Hammerhead Sharks)
Genus	Thomasomys	Sphyrna (Hammerhead Sharks)
Species	Thomasomys cinereus	Sphyrna media

Evolutionary Relationship

Olive-gray Thomasomys and Scoophead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Olive-gray Thomasomys

LC — Least Concern

Scoophead

CR — Critically Endangered

Physical Characteristics

Attribute	Olive-gray Thomasomys	Scoophead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Scoophead

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 5 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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