Ninety–four fossil woods were collected from the Upper Triassic Jogyeri Formation of the Nampo Group in the County of Cheongyang-gun, Chungcheongnam- do Province, Korea. Eight of the specimens were preserved well enough to identify them down to species or genus. All were coniferous woods. On the basis of their detailed anatomical features, four specimens were identified as Xenoxylon phyllocladoides Gothan and the other four as Agathoxylon sp. Therefore six taxa of fossil woods, Cedroxylon regulare Göppert, Xenoxylon phyllocladoides Gothan, X. latiporosum (Cramer) Gothan, X. japonicum Vogellehner, Phyllocladoxylon heizyoense Shimakura and Agathoxylon sp., have now been reported from the Early Mesozoic Daedong Supergroup in the Korean Peninsula.