फलकम्:Phanerozoic 220px
Usage सम्पादयतु
Use the syntax {{Period start|period name|rounding (optional)}}
{{Period start|Cretaceous}}
produces:
145
{{Period start|Cretaceous|-1}}
produces:
150
References सम्पादयतु
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 सम्पादयतु
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