Cinnamon-colored Thomasomys vs Smooth hound

Thomasomys cinnameus compared with Triakis maculata

Key Differences

• Cinnamon-colored Thomasomys is Least Concern while Smooth hound is Critically Endangered.

Taxonomic Classification

Rank	Cinnamon-colored Thomasomys	Smooth hound
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	Triakidae
Genus	Thomasomys	Triakis
Species	Thomasomys cinnameus	Triakis maculata

Evolutionary Relationship

Cinnamon-colored Thomasomys and Smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cinnamon-colored Thomasomys

LC — Least Concern

Smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Cinnamon-colored Thomasomys	Smooth hound
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cinnamon-colored Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

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

Cinnamon-colored Thomasomys

The Cinnamon-colored Thomasomys (Thomasomys cinnameus) is a species in the genus Thomasomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.