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Taxonavigation: Monotremata 

Superregnum: Eukaryota
Regnum: Animalia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Ordo: Therapsida
Cladus: Theriodontia
Subordo: Cynodontia
Infraordo: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Prototheria
Ordo: Monotremata

Familia: Ornithorhynchidae
Genus: † Obdurodon
Species (3): O. dicksoni – O. insignis – O. tharalkooschild


Obdurodon Woodburne & Tedford, 1975


  • Woodburne, M.O.; Tedford, R.H. 1975: The first Tertiary monotreme from Australia. American Museum novitates, (2588)
  • Archer, M. et al. 1992: Description of the skull and non-vestigial dentition of a Miocene platypus (Obdurodon dicksoni) from Riversleigh, Australia, and the problem of monotreme origins. Pp. 15-27 in Augee, M.L. (ed.) Platypus and echidnas. The Royal Zoological Society of New South Wales, Mosman, New South Wales. [not seen]
Wikimedia Commons For more multimedia, look at Obdurodon on Wikimedia Commons.