M 284 Orbiculu papyracia. Qu.
| 分類 | Animals: Mollusca: Molluscoida: Brachiopoda: |
| 年代 | Mesozoic Jurassic Inferior Oolite: Toarcien: |
| 産地 | Boll. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Jurassic formation. Catalogue of Histrical Geology. Mesozoic., pp. 1–38. Department of Science, Tokio-Daigaku. |
