55MM Pygurus Marmonti Sea Urchin Fossil Sand Dollar Jurassic Age Madagascar Anyolite allowing it to grow safely

allowing it to grow safely until hatching

while females were slightly smaller

that thrived in Jurassic seas between 200 and 146 million years ago

as the nodules are now buried 20 to 30 feet underground

55MM Pygurus Marmonti Sea Urchin Fossil Sand Dollar Jurassic Age Madagascar Anyolite allowing it to grow safelyLocation: Majanga, Madagascar Weight: 2. 5 Ounces Dimensions: 55MM The item pictured is the one you will receive. The Pygurus marmonti Sand Dollar, commonly known as a fossil sea urchin, is a striking echinoid fossil dating back to the Jurassic Period, approximately 145200 million years ago. This ancient marine invertebrate is easily recognized by its distinctive five pointed star pattern, a feature that reflects the intricate internal structure and