Central Andes Oldfield Mouse vs Simons’s Mouse Opossum

Thomasomys contradictus compared with Marmosa simonsi

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	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	Cricetidae	Didelphidae
Genus	Thomasomys	Marmosa
Species	Thomasomys contradictus	Marmosa simonsi

Evolutionary Relationship

Central Andes Oldfield Mouse and Simons’s Mouse Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Simons’s Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Central Andes Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Central Andes Oldfield Mouse

The Central Andes Oldfield Mouse (Thomasomys contradictus) is a species in the genus Thomasomys. It is currently classified as Data Deficient on the IUCN Red List. Found in Colombia.