Niceforo Maria’s Oldfield Mouse vs Upper Crust

Thomasomys nicefori compared with Amaurodon cyaneus

Key Differences

• Niceforo Maria’s Oldfield Mouse is Least Concern while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	Upper Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Thelephorales (Thelephorales)
Family	Cricetidae	Thelephoraceae
Genus	Thomasomys	Amaurodon
Species	Thomasomys nicefori	Amaurodon cyaneus

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	Upper Crust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Upper Crust

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.