Genus: Otrer (Lutra)
Norwegian name: Otrer
Systematics :
| Kingdom | Animals (Animalia) | |||||||
| Phylum | Ryggstrengdyr (Chordata) | |||||||
| Subphylum | Virveldyr (Vertebrata) | |||||||
| Klasse | Pattedyr (Mammalia) | |||||||
| Order | Rovpattedyr (Carnivora) | |||||||
| Family | Mårfamilien (Mustelidae) | |||||||
| Genus | Otrer (Lutra) | |||||||
| Species | Oter (Lutra lutra) | |||||||
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