Woodburne, Tedford, Archer & Pledge 1987. Madakoala, a new genus and two species of Miocene koalas (Marsupialia: Phascolarctidae) from South Australia, and a new species of Perikoala. Archer, M.[Ed]. Possums and opossums: studies in evolution., Surrey Beatty & Sons Pty Limited, England, Chipping Norton, 1987: i-lxxii, 1-788. Chapter pagination: 293-317