How did the modern dog develop, how was it domesticated, who are his ancestors on the evolutionary scale? Follow this link for great info on the evolutionary development of our K9 friend...also there are some subcategories and classifications of different dogs...some are questionable here but, it still gives information on particular breeds that may be helpful to you . For more information or discussion feel free to call me at 813 546 3992 or visit my webpage at nexushausk9services.com Jesus G.

http://www.dog-names.org.uk/history-evolution-dogs.htm