Alien- Skull Stab

It rose up as if in righteous fury, coiled its tail behind it, and Lt. Paris readied herself for it to charge, thinking that if she could open up with a full salvo from the pulse rifle, she could kill it before it reached her and maybe—just maybe—its blood would fall nearer to her, and Chenovski would live.

  The alien drove the knifepoint of its tail through Chenovski’s skull with a wet crunch.

River of Pain, Chapter 24