...鸟龙的近亲郑氏晓廷龙的发现为这个扑朔迷离的恐龙家族增加了新的变数，古生物学家在比较了郑氏晓廷龙和始祖鸟属（Archaeopteryx）的化石后宣称其属于始祖鸟科（Archaeopterygidae），并且指出始祖鸟科偏离了鸟类起源的方向，而是恐爪龙类（Deinonychosauria）的...
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例如无否能位正在鸟种与恐龙中口的鼻祖鸟(Archaeopteryx)化石;和比回所收亮的一类具备四体的年日型深火鱼(Tiktaalik),无少非鱼种与二栖种的功渡化石。
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以上来源于: WordNet
N any of several extinct primitive birds constituting the genus Archaeopteryx, esp A. lithographica, which occurred in Jurassic times and had teeth, a long tail, well-developed wings, and a body covering of feathers 始祖鸟; 侏罗纪时代鸟类，有齿及长尾，羽翼丰满
Archaeopteryx shows no obvious features of gliders, such as a broad membrane connecting forelimbs and hind limbs.
始祖鸟并没有表现出明显的滑翔机的特征，比如有一层连接前肢和后肢的宽膜。
Perhaps some of them could climb trees, but no convincing analysis has demonstrated how Archaeopteryx would have both climbed and flown with its forelimbs.
也许其中一些祖鸟会爬树，但是没有令人信服的分析证明始祖鸟是如何用它的前肢既爬又飞的。
This objection was reasonable when only early theropod clavicles had been discovered, but fossilized theropod clavicles that look just like the wishbone of Archaeopteryx have now been unearthed.
这种反对是合理的，因为只有早期的兽脚亚目食肉恐龙的锁骨才被发现，但是现在已经发掘出了类似始祖鸟的叉骨的兽脚亚目食肉恐龙锁骨化石。
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