Ornithorhynchidae

== Translingual == === Etymology === Ornithorhynchus +‎ -idae === Proper noun === Ornithorhynchidae A taxonomic family within the order Monotremata – the platypus and extinct relatives. ==== Usage notes ==== Some writers place the extinct genera Steropodon and Teinolophos in the family Steropodontidae. ==== Hypernyms ==== (family): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Chordata – phylum; Vertebrata – subphylum; Gnathostomata – infraphylum; Tetrapoda – superclass; Mammalia – class; Monotremata - order ==== Hyponyms ==== (family): Ornithorhynchus – sole extant genus === References === Ornithorhynchidae on Wikipedia.Wikipedia Ornithorhynchidae on Wikispecies.Wikispecies Category:Ornithorhynchidae on Wikimedia Commons.Wikimedia Commons Ornithorhynchidae at the Tree of Life Web Project Ornithorhynchidae in Mammal Species of the World[1] at Bucknell.