Little Pocket Mouse vs Smith's Thorius

Perognathus longimembris compared with Thorius smithi

Key Differences

• Little Pocket Mouse is Least Concern while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Little Pocket Mouse	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Heteromyidae	Plethodontidae
Genus	Perognathus	Thorius
Species	Perognathus longimembris	Thorius smithi

Evolutionary Relationship

Little Pocket Mouse and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Little Pocket Mouse

LC — Least Concern

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Little Pocket Mouse	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Little Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smith's 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.