Extremely Minute Salamander vs Mentawai Squirrel

Thorius minutissimus compared with Callosciurus melanogaster

Key Differences

• Extremely Minute Salamander is Critically Endangered while Mentawai Squirrel is Vulnerable.

Taxonomic Classification

Rank	Extremely Minute Salamander	Mentawai Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Rodentia (Rodents)
Family	Plethodontidae	Sciuridae (Squirrels)
Genus	Thorius	Callosciurus
Species	Thorius minutissimus	Callosciurus melanogaster

Evolutionary Relationship

Extremely Minute Salamander and Mentawai Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Extremely Minute Salamander

CR — Critically Endangered

Mentawai Squirrel

VU — Vulnerable

Physical Characteristics

Attribute	Extremely Minute Salamander	Mentawai Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Extremely Minute Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Mentawai Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.