M 70 Ammonites(Arcestes) Tohannis.
| 分類 | Animals: Mollusca: Mollusca Proper: Cephalopoda: |
| 年代 | Mesozoic Triassic Upper Trias: Lower Keuper: |
| 産地 | Steiermark. |
| 文献 | Department of Science, Tokio-Daigaku, 1881: Triassic formation. Catalogue of Histrical Geology. Mesozoic., pp. 1–10. Department of Science, Tokio-Daigaku. |
