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Taxonavigation: Monotremata

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Superregnum: Eukaryota
Regnum: Animalia
Phylum: Chordata
Cladus: Chordata 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
Genera (1 + 4†): Ornithorhynchus – †Monotrematum – †Obdurodon – †Steropodon – †Teinolophos


  • Ornithorhynchidae Gray, 1825


  • Steropodontidae Flannery et al., 1995
    • Authority for current placement: T. Rowe et al., 2008: 1241, fig. 5 (by implication, Steropodon is placed within the clade labelled Ornithorhynchidae, consistently with the text discussion and conclusions)


  • Ann. Philos., n.s., 10: 343.
  • Flannery, T.F.; Archer, M.; Rich, T.H.; Jones, R. 1995: A new family of monotremes from the Cretaceous of Australia. Nature, 377: 418-420. doi: 10.1038/377418a0
  • Rowe, T.; Rich, T.H.; Vickers-Rich, P.; Springer, M.; Woodburne, M.O. 2008: The oldest platypus and its bearing on divergence timing of the platypus and echidna clades. PNAS, 105(4): 1238-1242. doi: 10.1073/pnas.0706385105


  • Mammal Species of the World, A Taxonomic and Geographic Reference, 3rd edition, 2005 ISBN 0801882214
  • Ornithorhynchidae in Mammal Species of the World.
    Wilson, Don E., & Reeder, DeeAnn M. (editors) (2005). Mammal Species of the World — A Taxonomic and Geographic Reference. Third edition. ISBN 0801882214.
  • Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V., eds. (2014) Ornithorhynchidae in Species 2000 & ITIS Catalogue of Life, 17th March 2014. Digital resource at www.catalogueoflife.org/col. Species 2000: Naturalis, Leiden, the Netherlands.

Vernacular names[edit]

Deutsch: Schnabeltier
eesti: Nokkloomlased
Ελληνικά: Ορνιθορρυγχίδες
español: Ornitorrincos
македонски: Клунари
日本語: カモノハシ科
polski: Dziobakowate
русский: Утконосы
українська: Качкодзьобові

Wikimedia Commons For more multimedia, look at Ornithorhynchidae on Wikimedia Commons.