Olive-gray Thomasomys vs Pacific Spiny-rat

Thomasomys cinereus compared with Proechimys decumanus

Key Differences

• Olive-gray Thomasomys is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Olive-gray Thomasomys	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Cricetidae	Echimyidae
Genus	Thomasomys	Proechimys
Species	Thomasomys cinereus	Proechimys decumanus

Evolutionary Relationship

Olive-gray Thomasomys and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Olive-gray Thomasomys

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Olive-gray Thomasomys	Pacific Spiny-rat
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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador