Homo longi lived in Asia during middle Pleistocene. Dragon Man skull dated 148,000 years from Heilongjiang China. Hubei skull reconstruction matches Homo longi features. Yunxian skulls aged 940,000 years likely common ancestor of Homo longi and Homo sapiens. Asian Homo longi line includes Denisovans as sister group to Homo sapiens. Both lineages have deep roots beyond middle Pleistocene. Homo longi brain volume 1420 cm³ matches modern humans and Neanderthals. Largest known head circumference 65.1 cm among hominids. Massive brow ridges wide eye sockets prominent mouth. Flat face like modern humans but large nose. Homo longi position in Homo tree remains unresolved. Preprint unpeer-reviewed.