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Rhizoprionodon : ウィキペディア英語版 | Rhizoprionodon Early Eocene to Present | image = Rhizoprionodon acutus mangalore.jpg | image_width = 240px | image_caption = Milk shark (''R. acutus'') | regnum = Animalia | phylum = Chordata | classis = Chondrichthyes | subclassis = Elasmobranchii | superordo = Selachimorpha | ordo = Carcharhiniformes | familia = Carcharhinidae | genus = ''Rhizoprionodon'' | genus_authority = Whitley, 1929 | type_species = ''Carcharias (Scoliodon) crenidens'' | type_species_authority = Klunzinger, 1879 | synonyms = *''Protozygaena'' Whitley, 1940 *''Rhizoprion'' Ogilby, 1915 }} ''Rhizoprionodon'' is a genus of requiem sharks, and part of the family Carcharhinidae, commonly known as sharpnose sharks because of their long, pointed snouts. ==Species==
* ''Rhizoprionodon acutus'' (Rüppell, 1837) (milk shark) * ''Rhizoprionodon lalandii'' (J. P. Müller & Henle, 1839) (Brazilian sharpnose shark) * ''Rhizoprionodon longurio'' (D. S. Jordan & C. H. Gilbert, 1882) (Pacific sharpnose shark) * ''Rhizoprionodon oligolinx'' V. G. Springer, 1964 (grey sharpnose shark) * ''Rhizoprionodon porosus'' (Poey, 1861) (Caribbean sharpnose shark) * ''Rhizoprionodon taylori'' (Ogilby, 1915) (Australian sharpnose shark) * ''Rhizoprionodon terraenovae'' (J. Richardson, 1836) (Atlantic sharpnose shark)
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Rhizoprionodon」の詳細全文を読む
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