P 933 Serpula pusilla.
| 分類 | Animals: Annulosa: Anarthropoda: Annelida: |
| 年代 | Paleozoic Permian Upper Permian: |
| 産地 | Gera. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Permian formation. Catalogue of Histrical Geology. Palaeozoic., pp. 1–5. Department of Science, Tokio-Daigaku. |
