Does it not seem like "Tremor's series"
May have took the design of a slog and turned it into one of the Graboids?.. The shrieker?
I'm not trying to say they did it for the sake of it.

But maybe they did use some features of a Slog in making it. Perhaps they meant for the Graboids to be a sort of Oddworld creature that crash landed on earth???.. It seems like the bone structure of some creatures laying in the fields at the first of Munch's oddysee could be that of a...