Some of the most interesting dog breeds are ones that are extinct. You will have to see these to believe they were once common and very real canines., Dog breeds are constantly changing. Every so often, you’ll see a new one like the Labradoodle come into existence, while others fade away. This is a guide to the dog breeds that faded away. You may not be familiar with all the extinct dogs on this list, as many have been extinct for quite some time. Don’t be too concerned, however — many just evolved into different breeds rather than , Discover fascinating extinct dog breeds, their roles in history, and how they influenced today’s most popular dogs from hunting to guarding., Extinct Dog Breeds Dr Linda Simon (MVB MRCVS, University College Dublin) Today's Golden Retriever & Labrador descended from the now extinct St. John's Water Dog (Wikipedia.org), Discover 54 extinct dog breeds your pup might be related to. From royal hounds to meat-turners, these lost legends still shape modern dogs., It’s not just exotic animals that become endangered and disappear. These extinct dog breeds once roamed the Earth as man’s best friends..