Hesperocyon (First Dog) Fossil from the Eocene/Oligocene period found in Chadron, Nebraska. Hesperocyon is an extent genus of canid or dog family and the earliest true dog found to date. Dimensions: 7.5"h x 14"wProcessing and shipping within the Continental US $75. All FedEx packages are sent with Direct Signature Required and insured at full replacement value for a fee of 1.5% of the purchase price, unless buyer accepts complete liability in writing. Discounts given on combined lot shipping. Overall good condition. Please see photos.