About TOMIDA S
About Chukyo Gakuin Univ., Gifu, JPN
About TERAOKA A
About OKUMURA Y
About Mizunami Fossil Museum, Gifu, JPN
About KARASAWA H
About Mizunami Fossil Museum, Gifu, JPN
About 瑞浪市化石博物館研究報告
About Hiroshima prefecture
About Perotrochus
About Cenozoic
About 中新統
About 層群
About 化石
About 古生物学