Great that some bothers to view some comments before commenting him-/herself Now, keep viewing and you see that I've answered this already. Now, that I've consumed this much energy into this reply, I might just as well say that they are Caulkicephalus. Why does everybody think they are Ludos? Has the fossil fauna of Isle of Wight been erased from my fellow paleo artists' minds?
I dunno. It's just that when it comes to crested, toothy pterosaurs, Ludodactylus tends to pop up that much quicker.