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15 déc. 200000000 av. J.-C. - Conodant teeth

Description:

one of the first structures built from hydroxyapatite, a calcium-rich mineral that remains a key component of our own bones and teeth today

Source: https://userpages.umbc.edu/~squire/extinctions.html

Ajouté au bande de temps:

Fossil/Species Timeline

ByJohn Le
26 oct. 2018

Date:

15 déc. 200000000 av. J.-C.
Maintenaint
~ Il y a 5883516 ans

Les images:

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