Black-Lined Periwinkle vs Crescent Nail-tail Wallaby

Littorina saxatilis compared with Onychogalea lunata

Key Differences

• Black-Lined Periwinkle is Least Concern while Crescent Nail-tail Wallaby is Extinct.

Taxonomic Classification

Rank	Black-Lined Periwinkle	Crescent Nail-tail Wallaby
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Littorinimorpha (Littorinimorpha)	Diprotodontia (Marsupials)
Family	Littorinidae	Macropodidae (Kangaroos)
Genus	Littorina	Onychogalea
Species	Littorina saxatilis	Onychogalea lunata

Evolutionary Relationship

Black-Lined Periwinkle and Crescent Nail-tail Wallaby share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-Lined Periwinkle

LC — Least Concern

Crescent Nail-tail Wallaby

EX — Extinct

Physical Characteristics

Attribute	Black-Lined Periwinkle	Crescent Nail-tail Wallaby
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-Lined Periwinkle

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Namibia, South Africa), Europe (5 countries), and North America (United States).

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-Lined Periwinkle

The Black-Lined Periwinkle (Littorina saxatilis) is a species in the genus Littorina. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.