Gray-bellied Rice Rat vs undulate ray

Nephelomys moerex compared with Raja undulata

Key Differences

• Gray-bellied Rice Rat is Extinct while undulate ray is Endangered.

Taxonomic Classification

Rank	Gray-bellied Rice Rat	undulate ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Cricetidae	Rajidae
Genus	Nephelomys	Raja
Species	Nephelomys moerex	Raja undulata

Evolutionary Relationship

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

Conservation Status

Gray-bellied Rice Rat

EX — Extinct

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Gray-bellied Rice Rat	undulate 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.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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