Napo Spiny-rat vs Round whip ray

Proechimys quadruplicatus compared with Maculabatis pastinacoides

Key Differences

• Napo Spiny-rat is Least Concern while Round whip ray is Endangered.

Taxonomic Classification

Rank	Napo Spiny-rat	Round whip ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Echimyidae	Dasyatidae
Genus	Proechimys	Maculabatis
Species	Proechimys quadruplicatus	Maculabatis pastinacoides

Evolutionary Relationship

Napo Spiny-rat and Round whip ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Napo Spiny-rat

LC — Least Concern

Round whip ray

EN — Endangered

Physical Characteristics

Attribute	Napo Spiny-rat	Round whip ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Round whip ray