Fake round ray vs Guyenne Spiny-rat

Urotrygon simulatrix compared with Proechimys guyannensis

Key Differences

• Fake round ray is Vulnerable while Guyenne Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Fake round ray	Guyenne Spiny-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	Proechimys
Species	Urotrygon simulatrix	Proechimys guyannensis

Evolutionary Relationship

Fake round ray and Guyenne Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fake round ray

VU — Vulnerable

Guyenne Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Fake round ray	Guyenne Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fake round ray

Guyenne Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.