Dwarf whip ray vs Gray-bellied Rice Rat

Brevitrygon walga compared with Nephelomys moerex

Key Differences

• Dwarf whip ray is Near Threatened while Gray-bellied Rice Rat is Extinct.

Taxonomic Classification

Rank	Dwarf whip ray	Gray-bellied Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Dasyatidae	Cricetidae
Genus	Brevitrygon	Nephelomys
Species	Brevitrygon walga	Nephelomys moerex

Evolutionary Relationship

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

Conservation Status

Dwarf whip ray

NT — Near Threatened

Gray-bellied Rice Rat

EX — Extinct

Physical Characteristics

Attribute	Dwarf whip ray	Gray-bellied Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf whip ray

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.