【摘要】 对发现于中国中生代地层中的反鸟类化石进行了简单的总结.化石的系统分析表明,从晚侏罗世到早白垩世存在的反鸟亚纲的成员不仅数量多,而且存在较大的分异,与今鸟类存在较大的差异.它们繁盛于早白垩世,灭绝于晚白垩世.更多还原

【Abstract】 This paper carries out brief summary of the Enantiornithine bird fossils found in Mesozoic strata in China.Systematic analysis of the fossil Early Cretaceous shows that Enantiornithes elements are not only superior in numbers from Late Jurassic to Early Cretaceous,but also exist large diversity.They have more different with Ornithurae,and was flourished in the Early Cretaceous,and extinguished at the end of the Late Cretaceous.更多还原