Heavy-browed Mouse Opossum vs Smith's Thorius

Marmosa andersoni compared with Thorius smithi

Key Differences

• Heavy-browed Mouse Opossum is Data Deficient while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Heavy-browed Mouse Opossum	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Didelphimorphia (Didelphimorphia)	Caudata (Caudata)
Family	Didelphidae	Plethodontidae
Genus	Marmosa	Thorius
Species	Marmosa andersoni	Thorius smithi

Evolutionary Relationship

Heavy-browed Mouse Opossum and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Heavy-browed Mouse Opossum

DD — Data Deficient

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Heavy-browed Mouse Opossum	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Heavy-browed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smith's Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

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