Noun
See Duck mole, under Duck.
Source: Webster's dictionaryThis is why the platypus belongs to the genus Ornithorhynchus: although George Shaw named it Platypus in 1799, that name had already been given to a group of ambrosia beetles by Johann Friedrich Wilhelm Herbst in 1793. Source: Internet
The animal is the sole living representative of its family ( Ornithorhynchidae ) and genus (Ornithorhynchus), though a number of related species have been found in the fossil record. Source: Internet