13 years ago
Well, some Alien designs (The Queen's head, the Chestburster, the "impregnating stick" coming out of the Facehugger, etc., etc.) are actually based on things like that, but this isn't the right thread to be talking about that.
If you want to learn what kinds they originated from feel free to make a topic. That's actually something that no one has ever asked on here, at least for the past year.