-Size: 16"L x 4&1/2"H Named for the La Amarga geographic formation in Argentina, Amargasaurus is known from an almost entirely complete skeleton that showcases its most distinct feature – two rows of large spines along the back of its neck.
-Size: 8"L x 4&1/2"H Though similar in appearance to the woolly mammoth, the American mastodon (Mammut americanum) is not closely related. The mastodons split from the other members of the order Proboscidea around 25 million years ago. The most well-known of these beasts was the American mastodon, which was the last...
-Size: 7&1/2"L x 2&1/2"H Covered in armor and weighing up to 13,000 lbs., Ankylosaurus was the tank of the dinosaur world. It’s name means “fused lizard”, because the bones in its skull and many other areas are fused together, making this dinosaur that much tougher and harder. Add a tail club...