Betula / Angiospermae, Dicotyledoneae, Betulaceae

Betula / Angiospermae, Dicotyledoneae, Betulaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Betula / Angiospermae, Dicotyledoneae, Betulaceae, Betula

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Betula / Angiospermae, Dicotyledoneae, Betulaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Carpinus / Angiospermae, Dicotyledoneae, Betulaceae, Carpinus

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Alnus / Angiospermae, Dicotyledoneae, Betlaceae, Alnus

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Comptonia / Angiospermae, Dicotyledoneae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Gleditsia / Angiospermae, Dicotyledoneae, Legminosae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Ceratophyllum / Angiospermae, Dicotyledoneae, Ceratophyllaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Ficus / Angiospermae, Dicotyledoneae, Moraceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Pueraria / Angiospermae, Dicotyledoneae, Leguminosae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Ulmus / Angiospermae, Dicotyledoneae, Ulmaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Hamamelis / Angiospermae, Dicotyledoneae, Hamamelidaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Pterocarya / Angiospermae, Dicotyledoneae, Juglandaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Castanea / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Castanea / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Fagus / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Kalopanax / Angiospermae, Dicotyledoneae, Araliaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Liriodendron / Angiospermae, Dicotyledoneae, Magnoliaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Sassafras / Angiospermae, Dicotyledoneae, Lauraceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Fagus / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Fagus / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Cercidiphyllum / Angiospermae, Dicotyledoneae, Cercidiphyllaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Fagus / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Cercidiphyllum / Angiospermae, Dicotyledoneae, Cercidiphyllaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Fagus / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Zamthoxylum / Angiospermae, Dicotyledoneae, rutaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Fagus / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Fagus / Abgiospermae, Dicotyledoneae, Eagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Stewartia / Angiospermae, Dicotyledoneae, Theaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Rhus / Angiospermae, Dicotyledoneae, Anacardiaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Cornus / Angiospermae, Dicotyledoneae, Cornaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Ulmus / Angiospermae, Dicotyledoneae, Ulmaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Fagus / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Metasequoia / Gymnospermae, Coniferopsida, Taxodiaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Acer / Angiospermae, Dicotyledoneae, Aceraceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Pterocarya / Angiospermae, Dicotyledoneae, Juglandaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Metasequoia / Gymnospermae, Coniferopsida, Taxodiaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Tilia / Angiospermae, Dicotyledoneae, Tiliaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Castanea / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Betula / Angiospermae, Dicotyledoneae, Betulaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Sorbus / Angiospermae, Dicotyledoneae, Rosaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Podozamites / Gymnospermae, Coniferopsida, Unclassified conifer

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Ginkgoites / Gymnospermae, Ginkgopsida

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Sasa / Angiospermae , Monocotyledoneae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Sassafras / Angiospermae, Dicotyledoneae, Lauraceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Fagus / Angiospermae, Dicotyledoneae, Fagaceae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Acer / Angiospermae, Dicotyledoneae, Aceracea

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

Rhododendron / Angiospermae, Dicotyledoneae

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals