Rhizoprionodon
ver. 1.1
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| Order Carcharhiniformes Compagno, 1973 |
| Family Carcharhinidae Jordan & Everman, 1896 |
| Genus Rhizoprionodon Whitley, 1929 |
| Rhizoprionodon acutus (Rüppell, 1837): Hiragashira, Milk shark |
| Rhizoprionodon aff. acutus (Rüppell, 1837): Pliocene, Dainichi Formation, Kakegawa Group, Shizuoka Prefecture |
| Rhizoprionodon terraenovae (Richardson, 1836)/ R. fischeuri (Joleaud 1912): Middle Miocene (Late Langhian), Pungo River Formation, beaufort County, North Carolina |
| Rhizoprionodon ganntourensis (Arambourg, 1952): Ypressian, Ouled Abdoun Basin, Morocco |
| 20120130 |
Loxodon
ver. 1.0
| Genus Loxodon Müller and Henle, 1838 |
| Loxodon macrorhinus (Müller and Henle, 1839): Togarimezame, Sliteye shark |
Sphyrna
ver. 1.0
| Family Sphyrnidae Gill, 1872 |
| Genus Sphyrna Rafinesque, 1810 |
| Sphyrna media Springer, 1940: Scoophead |
| 20110929 |
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Fumio Nakagawa