LocNo: 6234Toyoma Fm., middle part
| Country: |
Japan
|
| Province: |
Kitakami Massif
|
| Locality: |
Hiraiso, Motoyoshi-cho, Motoyoshi-gun
|
| Layer: | Toyoma Fm., middle part |
| Lower Boundary: |
Anderssonoceras/Prototoceras base, 260.4 million years
|
| Upper Boundary: |
Araxoc./Konglingites--Sanyangites, 256 million years
|
| Georeference: |