This subclade is downstream from O-M95. According to YFull YTree v7.03.00, all extant members of O-M88, which is also known as O-M111, share a most recent common ancestor approximately 6,200 CI 5,100 <-> 7,300 years before present. The entire O-M88 clade is estimated to share a most recent common ancestor with its nearest outgroup, O-CTS5854 ("i.e." O-F2924(xM88), most members of which have been found in southern China, Laos, and Thailand, but some also in northern China, Japan, and the Philippines), approximately 9,700 CI 8,600 <-> 10,800 years before present.