P 931 Ctenophora columnaris.
| 分類 | Animals: Coelenterata: Actinozoa: |
| 年代 | Paleozoic Permian Upper Permian: |
| 産地 | Thueringen |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Permian formation. Catalogue of Histrical Geology. Palaeozoic., pp. 1–5. Department of Science, Tokio-Daigaku. |
