P 781 Anthracosia ovalis.
| 分類 | Animals: Mollusca: Mollusca Proper: Conchifera: |
| 年代 | Paleozoic Carboniferous Coal Measures: |
| 産地 | Staffordshire. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Carboniferous formation. Catalogue of Histrical Geology. Palaeozoic., pp. 1–18. Department of Science, Tokio-Daigaku. |
