Heavy-browed Mouse Opossum vs Round ray

Marmosa andersoni compared with Irolita waitii

Key Differences

• Heavy-browed Mouse Opossum is Data Deficient while Round ray is Least Concern.

Taxonomic Classification

Rank	Heavy-browed Mouse Opossum	Round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Didelphimorphia (Didelphimorphia)	Rajiformes (Rajiformes)
Family	Didelphidae	Arhynchobatidae
Genus	Marmosa	Irolita
Species	Marmosa andersoni	Irolita waitii

Evolutionary Relationship

Heavy-browed Mouse Opossum and Round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Heavy-browed Mouse Opossum

DD — Data Deficient

Round ray

LC — Least Concern

Physical Characteristics

Attribute	Heavy-browed Mouse Opossum	Round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Heavy-browed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Round ray