17 jun 200025512 año aC - End Triassic - Conodont teeth
Descripción:
200 million years ago, 80% of species lost. Paleontologists mistaken these for bits of clams or sponges. But they found out the truth in when they discovered a fossil in Scotland in the 1980's. They were one of the first structures built from hydroxyapatite.
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fecha:
17 jun 200025512 año aC
Ahora mismo
~ 5883516 years ago
Geo-etiquetas: