ammonites ultimately vanished during the Cretaceous-Paleogene extinction event
it may have exhibited social behaviors
this group has a remarkably detailed fossil record that extends back roughly 450 million years to the Late Ordovician Period
but whorls of needle-like leaves that grew around the stems of giant horsetail trees
often compared to a ram’s horn
3" Woolly Rhinoceros Fossil Rooted Tooth Pleistocene Age Megafauna Russia COA Hadrosaur ammonites ultimately vanished during theLocation: Siberia Region, Russia Weight: 5. 6 Ounces Dimensions: 3 Inches Long, 2 Inches Wide, 1. 6 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Pleistocene Age 2. 6 11. 6 million years old *Trade in raw fossil Woolly Rhinoceros ivory is illegal in CA, HI, IL, NJ, NV, and NY The Woolly Rhinoceros was a large, Ice Age rhinoceros species that inhabited vast regions of Europe and northern Asia