44BnNQFddLo china.huanqiu.comgallery中国学者研究发现最古老三尖鱼类:4.19亿年前“刘氏镰角鱼”/e3pmh1nnq/e3pn6eiep1627884597965责编:韩雯雯中国新闻网162788459796511[]{"audio":{"members":[]},"gallery":{"members":[{"desc":"国际学术期刊《历史生物学》近日在线发表中国科学院古脊椎动物与古人类研究所(中科院古脊椎所)最新古鱼化石研究成果论文显示,该所科研人员在云南曲靖新发现约4.19亿年前的盔甲鱼类三尖鱼科一个新属种,命名为“刘氏镰角鱼”。刘氏镰角鱼属名指示其角与内角组合呈成镰刀状,种名则献给该化石发现者、也是研究盔甲鱼类第一人刘玉海先生。图为刘氏镰角鱼生态复原图。郭肖聪 绘图","height":699,"id":"maezbk_61149","mime":"image\/jpg","size":93.87,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/595762db2b684ddcc165c4073467ca41.jpg","width":930},{"desc":"刘氏镰角鱼头甲化石照片(盖志琨\/摄)及复原图(郭肖聪\/绘)。中科院古脊椎所 供图","height":750,"id":"a31rij_81748","mime":"image\/jpg","size":101.04,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/9a7cb42ea31badc83d6aa4013680ca9f.jpg","width":681},{"desc":"镰角可能代表了原始的钩角和特化的翼角之间的中间过渡状态。盖志琨 摄","height":750,"id":"0v58bu_600910","mime":"image\/jpg","size":89.34,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/015d2f221736f09720c8b2c8475b8672.jpg","width":650},{"desc":"盔甲鱼亚纲系统发育关系及系统分类。孟馨媛 供图","height":750,"id":"2au2lf_333811","mime":"image\/jpg","size":94.71,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/416092e49957c0c1f21f7484985de90c.jpg","width":823}]},"video":{"members":[]}}//img.huanqiucdn.cn/dp/api/files/imageDir/917dad2f00e18d446db77406fed3d7f4.jpg