Family Ornithorhynchidae Gray 1825 (platypus)
Mammalia - Monotremata - Ornithorhynchidae
Parent taxon: Monotremata according to T. Rowe et al. 2008
See also Archer et al. 1985, Archer et al. 1992, Bonaparte 1850, Carroll 1988, Cope 1889, Flower 1883, Flower and Lydekker 1891, Gelfo et al. 2007, Gill 1872, Griffiths et al. 1991, Lydekker 1894, Nowak 1991, Pascual et al. 2002, Rich et al. 2005 and Woodburne and Tedford 1975
Sister taxa: Agathodonta, Cacodonta, Kollikodontidae, Kryoryctes, Patagorhynchus, Platypoda, Spondilocoelia, Steropodontidae, Stirtodon, Tachyglossa, Tachyglossidae
Subtaxa: Monotrematum Obdurodon Ornithorhynchus Steropodon Teinolophos
Ecology: scansorial insectivore-herbivore
Distribution: