Genus: Arvicola
Systematics :
| Kingdom | Animals (Animalia) | ||||||||
| Phylum | Ryggstrengdyr (Chordata) | ||||||||
| Subphylum | Virveldyr (Vertebrata) | ||||||||
| Klasse | Pattedyr (Mammalia) | ||||||||
| Order | Gnagere (Rodentia) | ||||||||
| Suborder | Smågnagere (Myomorpha) | ||||||||
| Family | Hamsterfamilien (Cricetidae) | ||||||||
| Genus | Arvicola | ||||||||
| Species | Water vole (Arvicola amphibius) | ||||||||
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