Crescent Nail-tail Wallaby vs Pixie Foam

Onychogalea lunata compared with Stereocaulon pileatum

Key Differences

• Crescent Nail-tail Wallaby is Extinct while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Crescent Nail-tail Wallaby	Pixie Foam
Kingdom	Animalia (动物界)	Fungi (真菌界)
Phylum	Chordata (脊索动物门)	Ascomycota (子囊菌门)
Class	Mammalia (哺乳動物)	Lecanoromycetes (茶漬綱)
Order	Diprotodontia (雙門齒目)	Lecanorales (茶漬目)
Family	Macropodidae (Kangaroos)	Stereocaulaceae
Genus	Onychogalea	Stereocaulon
Species	Onychogalea lunata	Stereocaulon pileatum

Conservation Status

Crescent Nail-tail Wallaby

EX — Extinct

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Crescent Nail-tail Wallaby	Pixie Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pixie Foam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.