The gumboot chiton, Cryptochiton stelleri, is the largest of all the chitons in the world! Chitons are molluscs (just like octopuses) that have eight armored plates running in a line down their back. But unlike most other chitons, the gumboot has their plates completely hidden by this leathery skin. Giving them the name “wandering meatloaf” by tidepoolers. They have lots of teeth made of magnetite that they use to scrape algae off of rocks. The material that encloses their teeth is something cal