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by OMNH in science-technology
標本 Specimen: OMNH MI-2205-1 産地 Occurrence: 淡路島 Awaji Island, Hyogo Prefecture, Japan 地質年代 Geological age: 白亜紀後期カンパニアン期 Campanian, Late Cretaceous 備考 Note: この標本は、パキディスカス アワジエンシスの完模式標本の気室部です。This is a part of the holotype of *Pachydiscus awajiensis* Morozumi, 1985. The species is one of the index fossils of the latest Campanian of Japan. 関連資料 Related publication * Morozumi, Y. (1985) Late Cretaceous (Campanian and Maastrichtian) ammonites from Awaji Island, Southwest Japan. Bulletin of the Osaka Museum of Natural History 39: 1-58.