Arboreal marsupial (6)
(Other definitions for phalanger that I've seen before include "may be flying in Australia" , "Lemur-like creature" , "Little Aussie's" , "Marsupial" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">arboreal marsupial</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for koala that I've seen before include "Arboreal Australian native" , "Marsupial "bear"" , "Marsupial climber" , "Australian tree-climbing marsupial with grey fur and big ears" , "Aussie tree-climber" .)
(Other definitions for possum that I've seen before include "Thick-furred marsupial" , "Small furry Australian marsupial" , "Tree-dwelling Australasian marsupial" , "The Australasian phalanger" , "Play -- (pretend to be dead)" .)