Hudson s Thomaomys vs Napo Spiny-rat

Thomasomys hudsoni compared with Proechimys quadruplicatus

Key Differences

• Hudson s Thomaomys is Vulnerable while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Hudson s Thomaomys	Napo Spiny-rat
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Cricetidae	Echimyidae
Genus	Thomasomys	Proechimys
Species	Thomasomys hudsoni	Proechimys quadruplicatus

Evolutionary Relationship

Hudson s Thomaomys and Napo Spiny-rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Hudson s Thomaomys

VU — Vulnerable

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Hudson s Thomaomys	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hudson s Thomaomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador