Iron Snail: Mother Nature's Steampunk...
The scaly-foot gastropod (Crysomallon squamiferum) is one badass deep sea... ...which the snail incorporates into its shell. The gastropod ’s shell has three layers: a highly calcifie...
https://www.neatorama.com/2010/02/11/iron-snail-mother-natures-steampunk/
