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THE SEXUAL DIMORPHISM OF CONFUCIUSORNIS (A LATE JURASSIC BIRD) FROM WESTERN LIAONING,CHINA
Author(s): 
Pages: 69-74
Year: Issue:  1
Journal: VOLCANOLOGY & MINERAL RESOURCES

Keyword:  孔子鸟性二态晚侏罗世辽西;
Abstract: 在辽西上侏罗统义县组下部陆相湖泊沉积火山凝灰质泥页岩中保存的圣贤孔子鸟(Confuciusornis sanctus)带羽毛的骨架化石,展现了鸟类演化早期阶段的性别差异(即,性二态)特点.研究结果显示,这种生存于约140Ma前如鸡大小的古鸟类已与现代许多鸟类一样,雌雄个体差异不仅明显反映在羽衣和骨相上,而且还可能表现在行为上.
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