Crescent Nail-tail Wallaby vs limestone fern

Onychogalea lunata compared with Gymnocarpium robertianum

Key Differences

• Crescent Nail-tail Wallaby is Extinct while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Crescent Nail-tail Wallaby	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Diprotodontia (Marsupials)	Polypodiales (Polypodiales)
Family	Macropodidae (Kangaroos)	Cystopteridaceae
Genus	Onychogalea	Gymnocarpium
Species	Onychogalea lunata	Gymnocarpium robertianum

Conservation Status

Crescent Nail-tail Wallaby

EX — Extinct

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Crescent Nail-tail Wallaby	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

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