Gray-bellied Rice Rat vs Gray-footed Spiny-rat

Nephelomys moerex compared with Proechimys poliopus

Key Differences

• Gray-bellied Rice Rat is Extinct while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Gray-bellied Rice Rat	Gray-footed Spiny-rat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Rodentia (Nagetiere)	Rodentia (Nagetiere)
Family	Cricetidae	Echimyidae
Genus	Nephelomys	Proechimys
Species	Nephelomys moerex	Proechimys poliopus

Evolutionary Relationship

Gray-bellied Rice Rat and Gray-footed Spiny-rat share a common ancestor at the Order level: Rodentia. (Nagetiere)

Conservation Status

Gray-bellied Rice Rat

EX — Extinct

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Gray-bellied Rice Rat	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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