Gray-footed Spiny-rat vs Round Ray

Proechimys poliopus compared with Rajella fyllae

Key Differences

• Gray-footed Spiny-rat is Vulnerable while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Gray-footed 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 poliopus	Rajella fyllae

Evolutionary Relationship

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

Conservation Status

Gray-footed Spiny-rat

VU — Vulnerable

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Gray-footed Spiny-rat	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.