P 11 Microdiscus punctaus.
分類 | Animals: Annulosa: Arthropoda: Crustacea: |
年代 | Paleozoic Cambrian |
産地 | St. David. S. Wales. |
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. |