The newly-discovered species, Lumakoala blackae, was comparable in size to the smallest-known members of the koala family (Phascolarctidae), with body-mass estimates of 2.2-2.6 kg. The discovery helps fill a 30 million gap in the evolution of Australia’s marsupials. Reconstruction of early marsupials (left to right): the wallaby-sized herbivore Muramura williamsi, extinct koala relative Madakoala devisi and the calf-sized ilariid Ilaria lawsone....
