Cuvier s Spiny-rat vs Round Ray

Proechimys cuvieri compared with Rajella fyllae

Key Differences

• Cuvier s Spiny-rat is Least Concern while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Cuvier s Spiny-rat	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Echimyidae	Rajidae
Genus	Proechimys	Rajella
Species	Proechimys cuvieri	Rajella fyllae

Evolutionary Relationship

Cuvier s Spiny-rat and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cuvier s Spiny-rat

LC — Least Concern

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Cuvier s Spiny-rat	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cuvier s Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Venezuela.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.