| Hexanchus nakamurai/griseus |
| Heterodontus sp. Ashiya type |
| Carcharocles angustidens |
| Isogomphodon |
| Galeocerdo sp. |
| Sphyrna sp. |
Umashima, Fukuoka Prefecture
Ashiya Group II
Oligocene
ver. II
Back & Forth
Hikoshima, Yamaguchi Prefecture
| Hexanchus nakamurai/griseus |
| Heterodontus sp. Ashiya type |
| Carcharocles angustidens |
| Isogomphodon |
| Galeocerdo sp. |
| Sphyrna sp. |
| Isogomphodon |
| Physogaleus latus |
Iwaya, Fukuoka Prefecture
| Heterodontus sp. Ashiya type |
| Carcharhinus |
| Indet. |
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