Pa 528 Athyris incrassatus.
| 分類 | Animals: Mollusca: Molluscoida: Brachiopoda:Articulata: Spiriferidae: |
| 年代 | Paleozoic Carboniferous Lower Carboniferous: |
| 産地 | Warsaw, Illinois. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Catalogue of Palaeontological Specimens. Middle Case., pp. 1–46. Department of Science, Tokio-Daigaku. |
