McDiarmid Thorius vs Pacific Spiny-rat

Thorius munificus compared with Proechimys decumanus

Key Differences

• McDiarmid Thorius is Critically Endangered while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	McDiarmid Thorius	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Rodentia (Rodents)
Family	Plethodontidae	Echimyidae
Genus	Thorius	Proechimys
Species	Thorius munificus	Proechimys decumanus

Evolutionary Relationship

McDiarmid Thorius and Pacific Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

McDiarmid Thorius

CR — Critically Endangered

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	McDiarmid Thorius	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

McDiarmid 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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.