Pseudocheiridae List of prehistoric mammals Ganguroo Silvaroo Palaeopotorous Marlu Galanarla Hadronomas Pildra Ekaltadeta Cookeroo Nambaroo Simosthenurus Propleopus Protemnodon Dorcopsoides Procoptodon Desert rat-kangaroo Balbaroo Watutia Sthenurus Ganawamaya Macropodiformes Balbaridae Phalangerida Phalangeroidea Macropodinae Petauridae Petauroidea Acrobatidae Phalangeriformes Phalangeridae Greater glider Pygmy possum Hypsiprymnodontidae Ektopodon Sthenurinae Potoroidae Macropodidae