Were the Hobbit-Five armies rock-eating-worms a Jackson invention or do they have a precedent in middle earth Lore?

In the Jackson movie "Hobbit - The Five Armies" there appears to be a race of rock-eating worms (similar to Tremors) that assist the Orc army.

Now I'm aware Jackson is contractually barred from using Silmarillion material.

I'm also aware that throughout the books, the dragons are referred to as 'worms' - and that in the 'hierarchy' of Middle Earth - Balrogs are similar to an Istari ('lower angel') similar to Saruman, and Dragons are on the same level as Orcs (not an Istari).

We also know that the Orcs, Trolls and Goblins were the constructs of Morgoth/Melkor, which he had made by corrupting and breeding humans, Elves and other creatures.

My question is: Were the Hobbit-Five armies rock-eating-worms a Jackson invention or do they have a precedent in middle earth Lore?