| Specimen state | |
|---|---|
| Common name | Bivalue,Actinoceramus |
| Scientific name | Actinoceramus tamurai Matsumoto and Noda |
| Order | |
| Family | |
| Country | Japan |
| Prefecture, State | Kumamoto |
| City | Uki |
| Group | Mifune Group |
| Formation | Lower Formation |
| Era | Mesozoic |
| Period | Cretaceous |
| Epoch | Late |