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Hoplopteryx
''Hoplopteryx'' is an extinct genus of Trachichthyidae from the Cretaceous. ==Biology== ''Hoplopteryx'' has a dorsal fin supported by nine unjointed, bony rays, deeply forked, homocercal tail, a moderately developed anal fin, and a pelvic fin located well forward. The snout is quite short, the eyes fairly large, and both jaws of the upturned mouth hold small teeth.
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「Hoplopteryx」の詳細全文を読む
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