Fat Guam Partula vs Napo Spiny-rat

Partula gibba compared with Proechimys quadruplicatus

Key Differences

• Fat Guam Partula is Critically Endangered while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Fat Guam Partula	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Rodentia (Rodents)
Family	Partulidae	Echimyidae
Genus	Partula	Proechimys
Species	Partula gibba	Proechimys quadruplicatus

Evolutionary Relationship

Fat Guam Partula and Napo Spiny-rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fat Guam Partula

CR — Critically Endangered

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Fat Guam Partula	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fat Guam Partula

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Norway and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.