The conclusions of the latest study fit perfectly with a 2011 paper published in PLOSOne that describes the well-preserved remains of “a dog-like canid” discovered in the Razboinichya Cave in the Altai Mountains of southern Siberia. These remains included the animal’s skull, both jaws and teeth. A comparison with wild wolves, modern wolves, prehistoric domesticated dogs, and early dog-like canids, revealed the Razboinichya canine was “most similar to fully domesticated dogs from Greenland about 1000 years old,” but it was scientifically dated to be 33,000 years old. This proves “dog domestication was multiregional.” However, the Razboinichya canid was an early incipient dog rather than the oldest ancestor of modern dogs.