The ever popular ammonoid, a classic fossil cephalopod, found swimming by the main characters of Dinosaur Empire! (Book 1 of the Earth Before Us series from Amulet Books) by Abby Howard (twitter.com/AbbyHoward). Check out more of Abby's work at (http://abby-howard.tumblr.com/ and https://www.jspowerhour.com/)! #cephalopod #CIAC #ammonoid #ammonite #mesozoic #comics #CephArtSunday