スポンサーリンク
Institut fur Geologie, Mineralogie und Geophysik, Ruhr-Universitat Bochum | 論文
- Systematic position and origin of the Cretaceous ammonoid genus Takahashia
- Two new ammonoid genera of the subfamily Gabbioceratinae from the Upper Albian (Lower Cretaceous) of Hokkaido, Japan