《生物学教学》1997年第3期刊登了一篇题为“鸟类真正的祖先在中国──中华龙鸟”的文章。文中介绍，1996年中期，中国地质博物馆的科学工作者们，在辽宁西部的义县发现了一块珍稀鸟类化石标本，该化石在整体上初步显示出鸟类的形态特征：身上覆盖很短的原始羽毛；嘴里长着粗壮 “Biology teaching” in 1997 the third published an article entitled “The true ancestor of birds in China - the Chinese Dragon Bird” article. In the article, in mid-1996, the scientists of the Chinese Geological Museum discovered a rare bird fossil specimen in Yixian County, western Liaoning. The fossil initially showed the morphological characteristics of the bird: the body covered very shortly. Raw feathers; stout in the mouth