Opus 2

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EGGS WITH A SHELL

~320 million years

The eggshell is one of the most important developments of the Carboniferous. As it contains the water necessary for survival, it allowed the animals to live in greater distance to the water and settle on the land.


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~320 Ma
SELECT pid_opus1_case, int_statut, int_image_en AS als_flag_image FROM tb_opus1_case ORDER BY pid_opus1_case ASC