Sphyrna
ver. 1.0
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| Order Carcharhiniformes COMPAGNO, 1973 |
| Family Sphyrnidae GILL, 1872 |
| Genus Sphyrna RAFINESQUE, 1810 |
| Sphyrna media Springer, 1940 |
| Sphyrna sp.; Pliocene, Tomioka Formation, Fukushima Prefecture, Japan |
| Sphyrna sp.; Pliocene, Kakegawa Group, Dainichi Formation, Shizuoka Prefecture |
| Sphyrna sp.; Pliocene, Naarai Formation, Choshi-shi Chiba Prefecture, Japan |
| Sphyrna sp.; Pliocene, Yaeyama-Shimajiri G., Formation unknown, Chinen, Okinawa, Japan |
| Sphyrna sp.; Late Miocene, Taiwa, Miyagi Prefecture |
| Sphyrna sp.; Late Miocene, Senhata Formation, Chiba Prefecture, Japan |
| Sphyrna sp.; Oligocene (Chattian), Ashiya G., Yamaga Formation, Ainoshima, Kitakyusyu-shi, Japan |
| 20120302 |
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