Ornithorhynchus anatinus
Yinotheria | Australosphenida |  |  | Monotremata |  |  |  |  | Ornithorhynchidae |  |  | Ornithorhynchus |  | anatinus
subclass | infraclass | magnorder | superorder | order | suborder | infraorder | parvorder | superfamily | family | subfamily | tribe | genus | subgenus | specificEpithet