M 1030 Ammonites (Acanthoceras) mammillaris.
| 実物標本 |
旧蔵ラベル |
|---|---|
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| 分類 | Animals: Mollusca: Mollusca Proper: Cephalopoda: |
| 年代 | Mesozoic Cretaceous Lower Cretaceous: Gault: |
| 産地 | Macheromenil |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Cretaceous formation. Catalogue of Histrical Geology. Mesozoic., pp. 1–26. Department of Science, Tokio-Daigaku. |


