The Platypusses (Ornithorhynchidae) - family
(Obdurodon)

(Obdurodon dicksoni)
-extinct-

(Obdurodon insignis)
-extinct-

(Obdurodon sudamericanum)
-extinct-

(Obdurodon tharalkooschild)
-extinct-
(Ornithorhynchus)
Duck-Billed Platypuss
(Ornithorhynchus anatinus)