Crescent Nail-tail Wallaby vs Cuetzalan Salamander

Onychogalea lunata compared with Aquiloeurycea quetzalanensis

Key Differences

• Crescent Nail-tail Wallaby is Extinct while Cuetzalan Salamander is Critically Endangered.

Taxonomic Classification

Rank	Crescent Nail-tail Wallaby	Cuetzalan Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Diprotodontia (Marsupials)	Caudata (Caudata)
Family	Macropodidae (Kangaroos)	Plethodontidae
Genus	Onychogalea	Aquiloeurycea
Species	Onychogalea lunata	Aquiloeurycea quetzalanensis

Evolutionary Relationship

Crescent Nail-tail Wallaby and Cuetzalan Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Crescent Nail-tail Wallaby

EX — Extinct

Cuetzalan Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Crescent Nail-tail Wallaby	Cuetzalan Salamander
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Cuetzalan 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.