M 857 Tragos pertusm.
分類 | Animals: Coelenterata: Spongida: |
年代 | Mesozoic Cretaceous Lower Cretaceous: Lower Greensand: |
産地 | Langelsheim near Goslar |
文献 | Department of Science, Tokio-Daigaku, 1881: Cretaceous formation. Catalogue of Histrical Geology. Mesozoic., pp. 1–26. Department of Science, Tokio-Daigaku. |