screen.width-300)this.width=screen.width-300>
异齿龙
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慈母龙
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三角龙
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恐爪龙与栉节龙
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鸭嘴龙
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原角龙
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翼龙(恐龙类近亲)
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棱齿龙
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恐龙蛋与小恐龙
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恐龙到鸟的演