Olive-gray Thomasomys vs Ray

Thomasomys cinereus compared with Sympterygia bonapartii

Key Differences

• Olive-gray Thomasomys is Least Concern while Ray is Near Threatened.

Taxonomic Classification

Rank	Olive-gray Thomasomys	Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Rajiformes (Rajiformes)
Family	Cricetidae	Arhynchobatidae
Genus	Thomasomys	Sympterygia
Species	Thomasomys cinereus	Sympterygia bonapartii

Evolutionary Relationship

Olive-gray Thomasomys and Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Olive-gray Thomasomys

LC — Least Concern

Ray

NT — Near Threatened

Physical Characteristics

Attribute	Olive-gray Thomasomys	Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.