"Dog ancestors diverged from modern wolf ancestors at least 27,000 years ago"
which is still compatible with the two diverged ancestries sharing a proto-canid ancestor from which proto-wolves and proto-dogs both were derived.
Interestingly, the article about Belgian prehistoric canid dna says the genetics are so varied that they don't form a clear group.
"Dog ancestors diverged from modern wolf ancestors at least 27,000 years ago"
which is still compatible with the two diverged ancestries sharing a proto-canid ancestor from which proto-wolves and proto-dogs both were derived.
Interestingly, the article about Belgian prehistoric canid dna says the genetics are so varied that they don't form a clear group.