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Rhinocerotidae
domed shells were repurposed as makeshift shelters to protect against the cold
These corals laid down hard calcium carbonate skeletons and became the foundation for the modern coral reefs that dominate today’s oceans
demonstrating how large predatory fish once dominated ancient oceans
Mining here goes way back
1.3" Extinct Cave Bear Ursus Spelaeus Incisor Tooth Rooted Pleistocene Age COA, Stand Edaphosaurus RhinocerotidaeLocation: Romania Weight: 0. 2 Ounces Dimensions: 1. 3 Inches Long, 0. 4 Inches Wide, 0. 3 Inches Thick Comes with a Free Acrylic Base (Stand) & Mineral Tack. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Ursus spelaeus, commonly known as the cave bear, was one of the most impressive large mammals of the Ice Age, roaming Europe until its extinction approximately 24,000 years ago. The species earned its name