Line drawings of camel foot bones from the middle Miocene Esmeralda Formation, Fossil Valley, Great Basin Desert, Nevada. Procamelus sp. and Pliauchenia sp. Image taken from a specific technical publication. Fossil Valley is now a federally protected area. Unauthorized collecting in Fossil Valley is strictly verboten.

Actual sizes of specimens: Top--left to right: 58mm and 37mm long, respectively. Bottom--left to right: 65mm; 50mm; 35mm; 40mm; and 28mm long, respectively.