Mastodons were large mammals belonging to the family Mammutidae, closely related to modern elephants. They became extinct around 10,000 years ago, likely due to a combination of climate change and human hunting pressure. Fossil discoveries have provided valuable insights into the ancient ecosystems of North America and the evolutionary history of proboscideans.nnSpecifications:nnHigh-quality polyurethane resin castnn1:1 scalenFemur Length 109.22 cm (43 in.)nnProduct of Bone ClonesnPlease be advised that this product is made to order and will require additional lead time. For further information about the availability and turnaround time of this item, please contact our customer service team at 1-800-659-SKULL.