Order: Rodentia

Norwegian name: Gnagere

Systematics :

KingdomAnimals (Animalia)
Phylum Chordata
Subphylum  Vertebrata
Class   Mammalia
Order    Rodentia
Family     Castoridae
Genus      Castor
Species       Beaver (Castor fiber)
Family     Sciuridae
Genus      Sciurus
Species       Eurasian Red Squirrel (Sciurus vulgaris)
Suborder     Myomorpha
Family      Arvicolidae
Genus       Arvicola
Genus       Lemmus
Genus       Microtus
Genus       Myodes
Genus       Myopus
Family      Muridae
Genus       Apodemus
Genus       Mus
Genus       Ondatra
Genus       Rattus