Pegomastax ("strong jaw"), possibly a distant relative to Count Orlok and Lestat, has been discovered just in time for Halloween. Since Pegomastax predates bats, my theory is that he turned into an Anurognathus.
Despite the gruesome appearance, Pegomastax was most likely omnivorous, meaning the most Halloweeny part of his diet was candy corn (which you can use to fashion your own set of Pegomastax fangs).
With massive canines, quills, and a sweet chicken comb, it's no surprise this guy is already generating a lot of paleo-art:
Life-sized bust by Tyler Keillor26 days...