Far Eastern Brook Lamprey vs Pallid Ground Squirrel

Lethenteron reissneri compared with Spermophilus pallidicauda

Taxonomic Classification

Rank	Far Eastern Brook Lamprey	Pallid Ground Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Petromyzonti (Petromyzonti)	Mammalia (Mammals)
Order	Petromyzontiformes (lamprey)	Rodentia (Rodents)
Family	Petromyzontidae	Sciuridae (Squirrels)
Genus	Lethenteron	Spermophilus
Species	Lethenteron reissneri	Spermophilus pallidicauda

Evolutionary Relationship

Far Eastern Brook Lamprey and Pallid Ground Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Far Eastern Brook Lamprey

LC — Least Concern

Pallid Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Far Eastern Brook Lamprey	Pallid Ground Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Far Eastern Brook Lamprey

Pallid Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.