Discovery of mid-Cretaceous ammonoids from the Aridagawa area, Wakayama, southwest Japan 論文 Akihiro Misaki・Hideo Kadota・Haruyoshi Maeda ·2008-04-01 ·『Paleontological Research』 12(1) pp. 19-26 doi:10.2517/1342-8144(2008)12[19:domaft]2.0.co;2