Gray-bellied Rice Rat vs Mondolfi’s Four-eyed Opossum

Nephelomys moerex compared with Philander mondolfii

Key Differences

• Gray-bellied Rice Rat is Extinct while Mondolfi’s Four-eyed Opossum is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Rice Rat	Mondolfi’s Four-eyed Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Cricetidae	Didelphidae
Genus	Nephelomys	Philander
Species	Nephelomys moerex	Philander mondolfii

Evolutionary Relationship

Gray-bellied Rice Rat and Mondolfi’s Four-eyed Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray-bellied Rice Rat

EX — Extinct

Mondolfi’s Four-eyed Opossum

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Rice Rat	Mondolfi’s Four-eyed Opossum
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.

Mondolfi’s Four-eyed Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.