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东方网6月9日消息:据《劳动报》报道:记者8日从中国地质大学(北京)了解到,来自中国、加拿大和美国的科学家团队有史以来首次在琥珀中发现雏鸟标本。
中国地质大学(北京)邢立达副教授介绍,“研究表明,此次发表的标本是一只较为完整的反鸟类雏鸟,记录了其生命最初几周的骨学和羽毛特征。”
“此次我们描述的古鸟类琥珀珀体很大,约9厘米长,容纳了接近完整的一只古鸟类的头部、颈椎、翅膀、脚部和尾部以及大量相关的软组织和皮肤结构。”论文的作者之一,美国洛杉矶自然史博物馆恐龙研究院院长路易斯·恰普告诉记者,“这些保存下来的软组织除了各种形态的羽毛之外,还包括了裸露的耳朵、眼睑以及跗骨上极具细节的鳞片,这为古鸟类研究提供了千载难逢的机会。”
据悉,这件标本来自著名的琥珀产区之一,缅甸北部克钦邦胡康河谷。此地的琥珀距今约9900万年前。
琥珀中的古鸟标本保存极为完好,尤其是约2厘米长的金黄色鸟足特别醒目,“上面的鳞片,丝状羽栩栩如生,有很锋利的爪子,当时当地人都以为是蜥蜴爪,但我意识到这个标本尤其特殊,更像鸟类的足部。”标本的拥有方、腾冲虎魄阁博物馆馆长陈光回忆道,“我们后来选择与邢立达团队合作研究,他确认了我的猜测,这确实是鸟足!而我的爱人则给这件标本起了一个昵称,叫‘比龙’,这是缅甸一种琥珀色小鸟(小云雀)的当地读音。”
责任编辑:任冲 CN062
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