P 7 Oldhamia. Radiata
| 分類 | Plants: |
| 年代 | Paleozoic Cambrian |
| 産地 | Bray Head, Wicklow. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Cambrian and Silurian formation. Catalogue of Histrical Geology. Palaeozoic., pp. 1–15. Department of Science, Tokio-Daigaku. |
