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| image = Leopard shark in kelp.jpg | image_width = 240px | image_caption = Leopard shark | regnum = Animalia | phylum = Chordata | classis = Chondrichthyes | subclassis = Elasmobranchii | superordo = Selachimorpha | ordo = Carcharhiniformes | familia = Triakidae | genus = ''Triakis'' | genus_authority = J. P. Müller & Henle, 1838 | type_species = ''Triakis scyllium'' | type_species_authority = J. P. Müller & Henle, 1839 }} ''Triakis'' is a genus of houndsharks in the family Triakidae. The name comes from the Greek word τρι, ''tri'' meaning "three", and the Latin word ''acis'' meaning "sharp" or "pointed", in reference to the three-pointed teeth of these sharks. ==Species== * ''Triakis acutipinna'' Kato, 1968 (Sharpfin houndshark) * ''Triakis maculata'' Kner & Steindachner, 1867 (Spotted houndshark) * ''Triakis megalopterus'' A. Smith, 1839 (Sharptooth houndshark) * ''Triakis scyllium'' J. P. Müller & Henle, 1839 (Banded houndshark) * ''Triakis semifasciata'' Girard, 1855 (Leopard 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「Triakis」の詳細全文を読む スポンサード リンク
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