P 500 Cyathaxonia. mitratum.
分類 | Animals: Coelenterata: Actinozoa: |
年代 | Paleozoic Carboniferous Sub-Carboniferous: |
産地 | Stafford. |
文献 | Department of Science, Tokio-Daigaku, 1881: Carboniferous formation. Catalogue of Histrical Geology. Palaeozoic., pp. 1–18. Department of Science, Tokio-Daigaku. |