Guaira Spiny-rat vs Simons’s Mouse Opossum

Proechimys guairae compared with Marmosa simonsi

Key Differences

• Guaira Spiny-rat is Least Concern while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Guaira Spiny-rat	Simons’s Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Echimyidae	Didelphidae
Genus	Proechimys	Marmosa
Species	Proechimys guairae	Marmosa simonsi

Evolutionary Relationship

Guaira Spiny-rat and Simons’s Mouse Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Guaira Spiny-rat

LC — Least Concern

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Guaira Spiny-rat	Simons’s Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guaira Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.