Eastern Pygmy Marmoset vs Mondolfi’s Four-eyed Opossum

Cebuella niveiventris compared with Philander mondolfii

Key Differences

• Eastern Pygmy Marmoset is Vulnerable while Mondolfi’s Four-eyed Opossum is Least Concern.

Taxonomic Classification

Rank	Eastern Pygmy Marmoset	Mondolfi’s Four-eyed Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Didelphimorphia (Didelphimorphia)
Family	Callitrichidae	Didelphidae
Genus	Cebuella	Philander
Species	Cebuella niveiventris	Philander mondolfii

Evolutionary Relationship

Eastern Pygmy Marmoset and Mondolfi’s Four-eyed Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Eastern Pygmy Marmoset

VU — Vulnerable

Mondolfi’s Four-eyed Opossum

LC — Least Concern

Physical Characteristics

Attribute	Eastern Pygmy Marmoset	Mondolfi’s Four-eyed Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Pygmy Marmoset

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Mondolfi’s Four-eyed Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.