Classification
Biota [regio]Animalia [regnum]
Chordata [phylum]
Mammalia [classis]
Rodentia [ordo]
Muridae [familia]
Rattus [genus]
Genus Rattus contains the following taxa:
Rattus norvegicus (Berkenhout, 1759) [species]
Rattus rattus (Linnaeus, 1758) [species]
Rattus sp. [species]