P 657 Goniatites excavatus.
| 分類 | Animals: Mollusca: Mollusca Proper: Cephalopoda: |
| 年代 | Paleozoic Carboniferous Sub-Carboniferous: |
| 産地 | Staffordoshire. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Carboniferous formation. Catalogue of Histrical Geology. Palaeozoic., pp. 1–18. Department of Science, Tokio-Daigaku. |
