Crescent Nail-tail Wallaby vs St. James' shell

Onychogalea lunata compared with Pecten maximus

Key Differences

• Crescent Nail-tail Wallaby is Extinct while St. James' shell is Least Concern.

Taxonomic Classification

Rank	Crescent Nail-tail Wallaby	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Diprotodontia (Marsupials)	Pectinida (Pectinida)
Family	Macropodidae (Kangaroos)	Pectinidae
Genus	Onychogalea	Pecten
Species	Onychogalea lunata	Pecten maximus

Evolutionary Relationship

Crescent Nail-tail Wallaby and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Crescent Nail-tail Wallaby

EX — Extinct

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Crescent Nail-tail Wallaby	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

St. James' shell

Habitat

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

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

St. James' shell

St. James' shell (Pecten maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.