Pa 422 Lyropora lyra?
| 分類 | Animals: Mollusca: Molluscoida: Bryozoa:Cyclostomata: |
| 年代 | Paleozoic Carboniferous Lower Carboniferous: |
| 産地 | Chester, Illinois. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Catalogue of Palaeontological Specimens. Middle Case., pp. 1–46. Department of Science, Tokio-Daigaku. |
