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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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15 dic 200000000 año aC - Conodant teeth

Descripción:

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

Añadido al timeline:

Fossil/Species Timeline

ByJohn Le
26 oct 2018
0
1
459

fecha:

15 dic 200000000 año aC
Ahora mismo
~ 5883516 years ago

Fotos:

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