Camarasaurus

 The Camarasaurus was discovered 1877, in Colorado. It lived in the Jurassic Period, 155 million to 145 million years ago. Camarasaurus  is an Herbivorous Sauropod. And no, Camarasaurus does not mean "Camera Lizard".

http://palaeopedia.tumblr.com/post/145306547233/the-chambered-lizard-camarasaurus-1877-phylum