17 giug 200025512 anni a. C. - End Triassic - Conodont teeth
Descrizione:
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.Aggiunto al nastro di tempo:
Data:
17 giug 200025512 anni a. C.
Adesso
~ 5883516 years ago