恐龙蛋是晚白垩世地层中一类特殊而又珍贵的化石。江西晚白垩世地层分布广泛，发育良好，散见于大小不一、形态各异的近30个盆地中。
Dinosaurian egg is a kind of peculiar and precious fossil in the Late Cretaceous strata, which are well-developed and widely distributed in nearly 30 basins of varied sizes and shapes in Jiangxi.
其中之一便是一直杳无踪迹的来自白垩纪时期的保存良好的的羽毛化石。白垩纪处于一亿四千五百万年前到六千五百万年前之间，以恐龙的大规模灭绝为结束标志。
One such lacuna has been the absence of well-preserved feathers from the Cretaceous—the period between 145m and 65m years ago that ended with the mass extinction that wiped out the dinosaurs.
其中之一便是一直杳无踪迹的来自白垩纪时期的保存良好的的羽毛化石。白垩纪处于一亿四千五百万年前到六千五百万年前之间，以恐龙的大规模灭绝为结束标志。
One such lacuna has been the absence of well-preserved feathers from the Cretaceous—the period between 145m and 65m years ago that ended with the mass extinction that wiped out the dinosaurs.
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