|
''Olenecoceras'' is a genus of Middle Cambrian fossil that, once believed to be a cephalopod, has since been excluded from that group (although no alternative classification has been offered). ==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「Olenecoceras」の詳細全文を読む スポンサード リンク
|