P 907 Psaronius helmintholithus.
分類 | Plants: |
年代 | Paleozoic Permian Lower 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. |