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Rhizoprionodon
ver. 1.1
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Order Carcharhiniformes COMPAGNO, 1973
Family Carcharhinidae JORDAN et EVERMANN, 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
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Loxodon
ver. 1.0



Genus Loxodon Müller et Henle, 1838

Loxodon macrorhinus (Müller et 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

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