Template:Cambrian explosion graphical timeline
CJ |help=off
| link-to=Cambrian_explosion_graphical_timeline | title=Key Cambrian explosion events
|from=-585 |to=-490
|height=50 |width=7
|legend1=Neoproterozoic
- (last æon of the Precambrian)
|legend1-color=Template:Period color |bar1-to=-542 |bar1-left=.0 |bar1-right=.1 |bar1-colour=Template:Period color
|legend2=Palæozoic
- (first æon of the Phanerozoic)
|legend2-colour=Template:Period color |bar2-from=-542 |bar2-left=0 |bar2-right=.1 |bar2-colour=Template:Period color
|bar4-to=-542 |bar4-left=.1 |bar4-colour=Template:Period color |bar4-border-width=.0 |bar4-text=Ediacaran |bar4-nudge-down=6.7
|note13=
a
m
b
r
i
a
n
|note13-at=-505 |note13-size=100% |note13-nudge-left=9.25 |note13-remove-arrow=yes |bar3-from=-542 |bar3-left=.1 |bar3-colour=Template:Period color |bar3-border-width=0.2
|bar5-left=0.252 |bar5-right=0.26 |bar5-colour=black |bar5-from=-542
|bar6-from=-542
|bar6-to=-534
|bar6-text=Nemakit-
Daldynian
|bar6-nudge-up=0.5
|bar6-border-width=0.1
|bar6-border-style=none
|bar6-left=0.26
|bar6-colour=Template:Period color
|bar7-from=-534 |bar7-to=-530 |bar7-text=Tommotian |bar7-border-width=0.05 |bar7-left=0.26 |bar7-colour=Template:Period color
|bar8-from=-530 |bar8-to=-524 |bar8-text=Atdabanian |bar8-border-width=0.05 |bar8-left=0.26 |bar8-colour=Template:Period color
|bar9-from=-524
|bar9-to=-518.5
|bar9-text=Botomian
|bar9-border-width=0.05
|bar9-left=0.26
|bar9-colour=Template:Period color
|bar10-from=-518.5 |bar10-to=-513 |bar10-text=Toyonian |bar10-border-width=0.05 |bar10-left=0.26 |bar10-colour=Template:Period color
|bar11-from=-513
|bar11-to=-501
|bar11-text=Middle
Cambrian
|bar11-nudge-up=0.5
|bar11-border-width=0.05
|bar11-left=0.26
|bar11-colour=Template:Period color
|bar12-from=-501
|bar12-to=-490.2
|bar12-text=Upper
Cambrian
|bar12-nudge-up=0.5
|bar12-nudge-right=0.05
|bar12-border-width=0.05
|bar12-left=0.26
|bar12-colour=Template:Period color
|bar26-left=.99 |bar26-right=1 |bar26-colour=#000000
|bar17-left=.09 |bar17-right=.1 |bar17-colour=#000000
|note1=Last Ediacaran communities |note1-at=-542
|note1=Orsten Fauna
|note1-at=-499
|note2=Burgess Shale
|note2-at=-505
|note3=Sirius Passet Fauna
|note3-at=-523
|note3-size=75%
|note4=Chengjiang Fauna
|note4-at=-521
|note4-size=75%
|note5=First Trilobites
|note15=and Echinoderms
|note5-at=-530
|note15-at=-530
|note5-nudge-up=0.5
|note15-nudge-down=0.5
|note5-size=75%
|note15-size=75%
|note6=First Arthropod trace fossils
|note6-at=-534
|note7=Claimed bilaterian trace fossils
|note7-at=-555
|note8=First Ediacaran
fossils
|note8-at=-575
|note9=Doushantuo
|note10="embryos"
|note9-at=-583.8
|note10-at=-583.8
|note9-nudge-up=1.5
|note10-nudge-up=0.6
|note11=Last global
|note12=glaciations
|note11-at=-584.2
|note12-at=-584.2
|note11-nudge-down=
|note12-nudge-down=0.8
|note11-nudge-right=1
|note12-nudge-right=1
|caption=One possible timescale for events
around the Cambrian/Precambrian boundary.
Axis scale: millions of years ago.
}}