Far Eastern Brook Lamprey vs Little Ground Squirrel

Lethenteron reissneri compared with Spermophilus pygmaeus

Taxonomic Classification

Rank	Far Eastern Brook Lamprey	Little 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 pygmaeus

Evolutionary Relationship

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

Conservation Status

Far Eastern Brook Lamprey

LC — Least Concern

Little Ground Squirrel

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Far Eastern Brook Lamprey

Little Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Russia and Ukraine.