Fake round ray vs Greedy Olalla Rat

Urotrygon simulatrix compared with Olallamys edax

Key Differences

• Fake round ray is Vulnerable while Greedy Olalla Rat is Data Deficient.

Taxonomic Classification

Rank	Fake round ray	Greedy Olalla Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Echimyidae
Genus	Urotrygon	Olallamys
Species	Urotrygon simulatrix	Olallamys edax

Evolutionary Relationship

Fake round ray and Greedy Olalla Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fake round ray

VU — Vulnerable

Greedy Olalla Rat

DD — Data Deficient

Physical Characteristics

Attribute	Fake round ray	Greedy Olalla Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fake round ray

Greedy Olalla Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.