To what ancient type of dog does the prevailing theory trace the Great Pyrenees lineage?

Answer

Molosser-type dogs

The prevailing theory suggests that the Great Pyrenees descended from Molosser-type dogs originating in the ancient Near East, which were spread across Europe by migrating populations.

To what ancient type of dog does the prevailing theory trace the Great Pyrenees lineage?
animalevolutionOriginDogbreed