Classification
Biota [regio]Animalia [regnum]
Chordata [phylum]
Mammalia [classis]
Monotremata [ordo]
Ornithorhynchidae [familia]
Ornithorhynchus [genus]
Genus Ornithorhynchus contains the following taxa:
Ornithorhynchus anatinus (Shaw, 1799) [species]