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Squaloraja
''Squaloraja polyspondyla'' is an extinct chimaerid from the Lower Jurassic of Europe. Fossils of ''S. polyspondyla'' have been found in Lower Jurassic-aged marine strata of Lyme Regis, England, and Osteno, Italy. Individuals of ''S. polyspondyla'' are characterized by their flattened, ray-like bodies, enormous, flattened rostra that comprise half of the bodylength, and, in males, a long, horn-like process. ==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「Squaloraja」の詳細全文を読む
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