sentences:  He envisioned that istiodactylids would have to step back from a carcass if more powerful carnivores were attracted to it, but would return to finish the remains when those animals were satiated.In 2014, Martill suggested that the odontoid at the tip of the lower jaw of "Istiodactylus" served to fill the space where no tooth was present.This completed an arc-like bite that would have been necessary to sever morsels that would otherwise remain attached by a thread.