Gray-bellied Rice Rat vs Round ray

Nephelomys moerex compared with Irolita waitii

Key Differences

• Gray-bellied Rice Rat is Extinct while Round ray is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Rice Rat	Round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Cricetidae	Arhynchobatidae
Genus	Nephelomys	Irolita
Species	Nephelomys moerex	Irolita waitii

Evolutionary Relationship

Gray-bellied Rice Rat and Round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Rice Rat

EX — Extinct

Round ray

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Rice Rat	Round ray
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.

Round ray