Olive-gray Thomasomys vs Surprise Thorius

Thomasomys cinereus compared with Thorius insperatus

Key Differences

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

Taxonomic Classification

Rank	Olive-gray Thomasomys	Surprise Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Cricetidae	Plethodontidae
Genus	Thomasomys	Thorius
Species	Thomasomys cinereus	Thorius insperatus

Evolutionary Relationship

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

Conservation Status

Olive-gray Thomasomys

LC — Least Concern

Surprise Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Olive-gray Thomasomys	Surprise Thorius
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.

Surprise Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

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