Obdurodon

Skull of Obdurodon thick sonic at the American Museum of Natural History in New York.

• Lake Eyre Basin, Riversleigh, Australia

Obdurodon was a platypus genus of late Oligocene and early to middle Miocene.

Features

Obdurodon had six multirooted molars with thin enamel in a beak, which compared with the beak of the extant platypus, was greater. Otherwise Obdurodon may have not differed greatly from the recent platypus.

Species

There are known three ways. Obdurodon insignis Woodburne, Tedford, 1975 lived in the Late Oligocene and part of the local fauna Ditjimanka of the Lake Eyre Basin to. Obdurodon thick soni Archer, Jenkins, Hand, Murray, Godthelp, 1992 lived in the early to middle Miocene and part of the Ringtail local fauna of Riversleigh on. Obdurodon tharalkooschild Long, Archer, Flannery, hand, 2013 is known only from a single tooth, which was also found in Riversleigh. This species is estimated to have a length of almost a meter.