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September 30, 2020
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alex huang science timeline
Created by
Alex Huang
⟶ Updated 26 Oct 2018 ⟶
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Events
final mass extinction event
first xiphactinus fossil discovered/identified
fourth mass extinction event
third mass extinction event
second mass extinction event
first mass extinction event
graptolites unknown species #1
trilobite unknown species #2
tabulate corals unknown species #3
Conodont unknown species #4
ammonites unknown species #5
the last of the dinosaurs
first homo-sapiens found
creodont unknown species #6
Magnolia plant unknown species #6
Conifer unknown species #7
archaeopteryx unknown species #8
dicynodon unknown species #9
coelophysis unknown species #10
