Extinct primate (6)
I believe the answer is:
apeman
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">extinct primate</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for apeman that I've seen before include "Missing link, possibly" , "song by 4 [THE KINKS]" , "Primitive figure" , "Neanderthal type?" , "Tarzan, for example" .)