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Gyroptychius : ウィキペディア英語版 | Gyroptychius
''Gyroptychius'' is an extinct genus of coelacanthiform lobe-finned fish from the Devonian period. ''Gyroptychius'' was a fast riverine predator with an elongated body about long. As its eyes were relatively small, it is presumed to have hunted by smell rather than sight. ''Gyroptychius'' had short jaws which gave it a powerful bite. All its fins except the pectorals were moved to the back to the body, increasing the power of the tail while swimming. ==References==
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「Gyroptychius」の詳細全文を読む
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