Narrow-headed Vole vs River Lamprey

Microtus gregalis compared with Lampetra ayresii

Taxonomic Classification

Rank	Narrow-headed Vole	River Lamprey
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)	Petromyzonti (Petromyzonti)
Order	Rodentia (ネズミ目)	Petromyzontiformes (ヤツメウナギ目)
Family	Cricetidae	Petromyzontidae
Genus	Microtus	Lampetra
Species	Microtus gregalis	Lampetra ayresii

Evolutionary Relationship

Narrow-headed Vole and River Lamprey share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Narrow-headed Vole

LC — Least Concern

River Lamprey

LC — Least Concern

Physical Characteristics

Attribute	Narrow-headed Vole	River Lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

River Lamprey