which resemble the mouth of the xenomorph from "Alien." The worms are named after the scales (known as elytra) that cover their bodies. These scales look a bit like human teeth, adding to the worms' ...

In fact, the ultimate Terminator created by the evil AI system, Skynet, is actually closer to Alien’s Xenomorphs ... razor-sharp teeth with a bite force strong enough to rip a tank apart ...