Louys, JulienAplin, KenBeck, Robin M DArcher, M.2015-12-080272-4634http://hdl.handle.net/1885/31490Partial crania of two fossil species of koala (family Phascolarctidae) from Oligo-Miocene deposits in the Riversleigh World Heritage Area, one referable to Litokoala kutjamarpensis and another to Nimiokoala greystanesi, are described. Comparison with theKeywords: anatomy; cranium; evolution; marsupial; Miocene; Oligocene; specialization; Australia; Queensland; Riversleigh World Heritage Site; Crania; Diprotodontia; Metatheria; Phascolarctidae; Phascolarctos; Phascolarctos cinereusCranial Anatomy of Oligo-Miocene Koalas (Diprotodontia: Phascolarctidae): Stages in the Evolution of an Extreme Leaf-Eating Specialization200910.1671/039.029.04122016-02-24