Crocodile bones preserved in solid pyrite! This nodule-preserved fossil dates back 185 Million Years to the Upper Lias, Lower Jurassic 🌍 Because the nodule was very pyritic, preparation was challenging! But my dad did a fantastic job! For full fossil hunt episodes head to “Yorkshire.Fossils” on YouTube! 🐊 There’s a link in my bio 🦕 If anyone would like a Genuine Yorkshire ammonite and support the page, please message us or visit our website yorkshirefossils.net #Natural #nature #fossil #fossi