फलकम्:Period start/doc

See also: Category:Geological period templates.

Usage

Use the syntax {{Period start|period name|rounding (optional)}}

{{Period start|Cretaceous}}

produces:

145

{{Period start|Cretaceous|-1}}

produces:

150

References

Periods from the International Commission on Stratigraphy's stratigraphical timescale.

Burgess shale age from Butterfield, N. J. (2006). "Hooking some stem-group "worms": fossil lophotrochozoans in the Burgess Shale". Bioessays 28 (12): 1161–1166. doi:10.1002/bies.20507. 

Cambrian stages from doi:10.1016/j.palaeo.2010.05.041
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Mayanian dates from Khomentovsky, V.; Nagovitsin, K.; Postnikov, A (2008). "Mayanian (1100–850 Ma) – Prebaikalian Upper Riphean of Siberia". Russian Geology and Geophysics 49 (1): 1. doi:10.1016/j.rgg.2007.12.001. 

Period templates

This list is imcomplete. You may help by expanding it

• Template:Next period
• Template:Period color
• Template:Period end
• Template:Period end error
• Template:Period infoboxes
• Template:Period span
• Template:Period span/brief
• Template:Period start
• Template:Period start error