Narrow-headed Vole vs Triangle Floater

Microtus gregalis compared with Alasmidonta undulata

Taxonomic Classification

Rank	Narrow-headed Vole	Triangle Floater
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Mollusca (软体动物门)
Class	Mammalia (哺乳動物)	Bivalvia (双壳纲)
Order	Rodentia (啮齿目)	Unionida (蚌目)
Family	Cricetidae	Unionidae
Genus	Microtus	Alasmidonta
Species	Microtus gregalis	Alasmidonta undulata

Evolutionary Relationship

Narrow-headed Vole and Triangle Floater share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Narrow-headed Vole

LC — Least Concern

Triangle Floater

LC — Least Concern

Physical Characteristics

Attribute	Narrow-headed Vole	Triangle Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Triangle Floater

Habitat

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

Range

Found in United States.