Difference between revisions of "Template:Cambrian explosion graphical timeline"

From blackwiki
Jump to navigation Jump to search
imported>Smith609
(Plural hyolith)
imported>Alnagov
(++)
Line 272: Line 272:
 
|note5-nudge-down=0.3
 
|note5-nudge-down=0.3
  
|note6=[[Chengjiang biota|Chengjiang]] and [[Sirius Passet]] biotas
+
|note6=[[Sirius Passet]] and [[Chengjiang biota|Chengjiang]] biotas
 
|note6-at=-523
 
|note6-at=-523
 
|note6-size=75%
 
|note6-size=75%
 +
|note6-nudge-down=-0.3
  
|note7=First [[Trilobites]]
+
|note7=First arthropods with mineralized [[carapace]] ([[Trilobites]])
 
|note7-at=-526
 
|note7-at=-526
 
|note7-size=75%
 
|note7-size=75%
|note7-nudge-down=0.3
+
|note7-nudge-down=-0.3
  
|note8=[[Small shelly fauna|SSF]] diversification, first [[brachiopod]]s & [[archaeocyatha]]
+
|note8=[[Small shelly fauna|SSF]] diversification, first [[brachiopod]]s & [[archaeocyatha]], ''[[Rusophycus]]'' traces & more complex vertical burrows
 
|note8-at=-535
 
|note8-at=-535
 
|note8-size=75%
 
|note8-size=75%
|note8-nudge-down=-1.2
+
|note8-nudge-down=-3.3
  
 
|note9= First [[halkieriid]]s, [[Helcionelloida|mollusсs]], [[hyolith]]s [[Small shelly fauna|SSF]]
 
|note9= First [[halkieriid]]s, [[Helcionelloida|mollusсs]], [[hyolith]]s [[Small shelly fauna|SSF]]
 
|note9-at=-537
 
|note9-at=-537
 
|note9-size=75%
 
|note9-size=75%
|note9-nudge-down=0.3
+
|note9-nudge-down=0.5
  
 
|note10=''[[Treptichnus pedum]]'' trace
 
|note10=''[[Treptichnus pedum]]'' trace

Revision as of 11:14, 7 March 2011

Key Cambrian explosion events
One possible timescale for events around the Cambrian/Precambrian boundary.

Axis scale: millions of years ago.

Stratigraphic scale of the ICS with Russian Lower Cambrian subdivision and Precambrian/Cambrian boundary.