Llama Jaw with three teeth from Missouri Rivers meandered through broad, shallow valleys across the western Dakotas and eastern Montana plains.
There are fossil records of llamas and camels from north Florida that date back over 50 million years. Over time, camels and llamas not only grew larger in size, they diversified throughout the globe to Asia and South America during times of lower global sea level in the Pliocene epoch 3-4 million years ago.