Napo Spiny-rat vs Upper Crust

Proechimys quadruplicatus compared with Amaurodon cyaneus

Key Differences

• Napo Spiny-rat is Least Concern while Upper Crust is Vulnerable.

Taxonomic Classification

Rank	Napo Spiny-rat	Upper Crust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Thelephorales (Thelephorales)
Family	Echimyidae	Thelephoraceae
Genus	Proechimys	Amaurodon
Species	Proechimys quadruplicatus	Amaurodon cyaneus

Conservation Status

Napo Spiny-rat

LC — Least Concern

Upper Crust

VU — Vulnerable

Physical Characteristics

Attribute	Napo Spiny-rat	Upper Crust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.