P 284 Pleurodictyum problematicum.
| 分類 | Animals: Coelenterata: Actinozoa: |
| 年代 | Paleozoic Devonian Lower Devonian: |
| 産地 | Eifel. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Devonian formation. Catalogue of Histrical Geology. Palaeozoic., pp. 1–13. Department of Science, Tokio-Daigaku. |
