Pa 449 Strophomena alternata.
| 分類 | Animals: Mollusca: Molluscoida: Brachiopoda:Articulata: Strophomenidae: |
| 年代 | Paleozoic Ordovician Trenton Limestone: |
| 産地 | Trenton Falls, N. Y. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Catalogue of Palaeontological Specimens. Middle Case., pp. 1–46. Department of Science, Tokio-Daigaku. |
