Elktoe vs Napo Spiny-rat

Alasmidonta marginata compared with Proechimys quadruplicatus

Taxonomic Classification

Rank	Elktoe	Napo Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Unionida (Unionida)	Rodentia (Rodents)
Family	Unionidae	Echimyidae
Genus	Alasmidonta	Proechimys
Species	Alasmidonta marginata	Proechimys quadruplicatus

Evolutionary Relationship

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

Conservation Status

Elktoe

LC — Least Concern

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Elktoe	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Elktoe

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and United States.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.