43dYNyTmpyt society.huanqiu.comgallery重庆发现距今约4.23亿年前新属种/e3pmh19vt/e3pn7fivc1624319593401责编:韩雯雯中国新闻网162431959340111[]{"audio":{"members":[]},"gallery":{"members":[{"desc":"6月21日消息,重庆秀山志留纪鱼化石调查研究日前取得重大突破:研究人员发现了距今约4.23亿年前、保存完整的第一条有颌鱼类——袖珍边城鱼。图为边城鱼生态复原图。重庆市规划和自然资源局供图","height":647,"id":"btrksn_38419","mime":"image\/jpg","size":76.4,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/0efe0f2b96ce6735f1aae4d0525ea6a4.jpg","width":930},{"desc":"研究表明,此次“袖珍边城鱼”的发现,使重庆跻身全球范围内极少数(迄今仅2处,另一处在云南曲靖)发现完整志留纪有颌鱼类的地区之列。图为边城鱼侧视复原图。重庆市规划和自然资源局供图","height":523,"id":"63bvgm_28978","mime":"image\/jpg","size":36.06,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/f1b9ccd63dc81987f0e4a0cf92ddcf13.jpg","width":930},{"desc":"图为边城鱼微距摄影。边城鱼化石长仅2厘米,活着时整条鱼可能也只有约4厘米长。它的颌骨代表了现代鱼类颌骨及牙齿与原始的盾皮鱼类之间新发现的一个过渡状态,为包括人类在内的现代有颌类动物的颌骨和牙齿的起源和演化提供了重要化石实证。重庆市规划和自然资源局供图","height":750,"id":"sbuzi9_67327","mime":"image\/jpg","size":81.08,"url":"//img.huanqiucdn.cn/dp/api/files\/imageDir\/be8e70d502b5894c6494ee513dad8a75.jpg","width":522}]},"video":{"members":[]}}//img.huanqiucdn.cn/dp/api/files/imageDir/92e0e812e5323eabadfd49e7d523d1e1.jpg