Francois' langur vs Smith's Thorius

Trachypithecus francoisi compared with Thorius smithi

Key Differences

• Francois' langur is Endangered while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Francois' langur	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Caudata (Caudata)
Family	Cercopithecidae (Old World Monkeys)	Plethodontidae
Genus	Trachypithecus	Thorius
Species	Trachypithecus francoisi	Thorius smithi

Evolutionary Relationship

Francois' langur and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Francois' langur

EN — Endangered

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Francois' langur	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Francois' langur

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.