Minatogawa specimens are four skeletons from Okinawa dated 20,000-22,000 years BCE, oldest hominins in Japan. Males stood 155 cm tall, females 140 cm. Cranial capacities match low end of Jomon and modern Japanese ranges. Teeth extremely worn from abrasive diet. Skeletons found in limestone fissure mixed with animal bones, suggesting cannibalism by enemies using spears. Craniometric traits fall in Eastern and Southeastern Asian diversity. Distinct from Jomon, closer to Southeastern Asian and Pacific groups. Features include low broad faces, narrow foreheads, supraorbital ridges, wide noses, pinched noses, rotated malar bones. Traits preserved in modern Okinawans, Taiwanese, Filipinos, Borneans via Pleistocene ancestors. DNA shows genetic links to Jomon, Yayoi, modern Japanese, and East Asians. Minatogawa alleles common in modern Japanese. Genetic continuity confirmed in Japanese archipelago. One skeleton carries maternal haplogroup M. Ancestors likely arrived via southern route from Southeast Asia. Hisashi Suzuki identifies them as proto-Mongoloid tied to southern China and northern Indochina Pleistocene specimens.