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The dinosaurian egg fossil of end of the Cretaceous age why particularly much?
From;  Author:Stand originally
In light of the dinosaurian egg fossil that comes up out of land from the whole world, triassic, Jurassic very few, great majority is the Cretaceous age is terminal, discipline of You Yibai chalk is fast when ending most. To scientist of this kind of phenomenon the explanation is: As a result of end of the Cretaceous age the change of environment condition causes dinosaurian endocrinopathy, yielding egg mostly cannot hatch, the result was buried for a long time in sandy soil to become fossil.