"Obdurodon tharalkooschild"@en . . . "Obdurodon tharalkooschild is an extinct species of platypus in the genus Obdurodon. It is known from a single tooth found at the Miocene-aged Two Tree Site fossil beds in Riversleigh in Queensland, Australia.The tooth was discovered in 2012 by a team from the University of New South Wales including Mike Archer, Suzanne Hand, and Rebecca Pian.The species was present in the middle and upper Miocene (5\u201315 million years ago)."@en . . . . .