Pa 323 Micraster car-anguinum.
| 分類 | Animals: Annuloida: Echinodermata: Echinoidea:Spatangidae: |
| 年代 | Mesozoic Cretaceous White Chalk: |
| 産地 | London. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Catalogue of Palaeontological Specimens. Middle Case., pp. 1–46. Department of Science, Tokio-Daigaku. |
