PACHYDESMOCERAS, from the ✨super fresh✨ video: www.youtube.com/watch?v=tEQ0... on Ammonites and other Cephalopods 🦑 Pachydesmoceras had a wide range of sizes, measuring from a few cms to human size 🍥 Fossils have been found worldwide, especially in Japan #pachydesmoceras #ammonite #paleoart