Extinct primate (6)
I believe the answer is:
apeman
'extinct primate' is the definition.
(I've seen this before)
This is all the clue.
(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" .)