Orinocan Speckled Tree-rat vs Simons’s Mouse Opossum

Pattonomys punctatus compared with Marmosa simonsi

Key Differences

• Orinocan Speckled Tree-rat is Data Deficient while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Orinocan Speckled Tree-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	Pattonomys	Marmosa
Species	Pattonomys punctatus	Marmosa simonsi

Evolutionary Relationship

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

Conservation Status

Orinocan Speckled Tree-rat

DD — Data Deficient

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Orinocan Speckled Tree-rat	Simons’s Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Orinocan Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.