Crescent Nail-tail Wallaby vs Amerika-aka-ei

Onychogalea lunata compared with Hypanus americanus

Key Differences

• Crescent Nail-tail Wallaby is Extinct while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Crescent Nail-tail Wallaby	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Diprotodontia (カンガルー目)	Myliobatiformes (トビエイ目)
Family	Macropodidae (Kangaroos)	Dasyatidae
Genus	Onychogalea	Hypanus
Species	Onychogalea lunata	Hypanus americanus

Evolutionary Relationship

Crescent Nail-tail Wallaby and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Crescent Nail-tail Wallaby

EX — Extinct

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Crescent Nail-tail Wallaby	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Nail-tail Wallaby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Amerika-aka-ei

Habitat

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

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.