About EGUCHI SEIICHI
About the Kingdom of Thailand
About tropical forest
About opal
About fossil coenosis
About vegetation
About Paleontology
About Dipterocarpaceae
About Holocene Epoch
About biostratigraphy
About restoration
About radiocarbon dating
About Sasa
About forest floor plant
About habitat distribution
About Palaeovegetation
About Vegetation Distribution
About tropical seasonal forest
About Deciduous leaved tree
About Dipterocarpus
About Thailand
About dipterocarp
About plant opal
About Cenozoic
About タイ
About 地域
About 熱帯季節林
About 植物珪酸体
About 化石
About 古植生
About 復原