Wolf or dog?

“Siberia: 18,000-year-old frozen 'dog' stumps scientists” https://www.bbc.com/news/world-europe-50586508
Amy Woodyatt “Is it a dog or is it a wolf? 18,000-year-old frozen puppy leaves scientists baffled” https://edition.cnn.com/travel/article/frozen-puppy-intl-scli-scn/index.html


Researcher Dave Stanton at the Centre for Palaeogenetics in Sweden told CNN the DNA sequencing issue meant the animal could come from a population that is a common ancestor of both dogs and wolves.

"We have a lot of data from it already, and with that amount of data, you'd expect to tell if it was one or the other," he said.

しかし、同じ研究所のLove Dalenによると、「これまでに発見された最古のイヌ」*1
なお、2017年に公刊されたLaura R. Botiguéらの研究は、犬の家畜化が2万~4万年前に始まった可能性を示唆している;

Laura R. Botigué, Shiya Song, Amelie Scheu, Shyamalika Gopalan, Amanda L. Pendleton, Matthew Oetjens, Angela M. Taravella, Timo Seregély, Andrea Zeeb-Lanz, Rose-Marie Arbogast, Dean Bobo, Kevin Daly, Martina Unterländer, Joachim Burger, Jeffrey M. Kidd & Krishna R. Veeramah “Ancient European dog genomes reveal continuity since the Early Neolithic” https://www.nature.com/articles/ncomms16082