![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Test_Template_Info-Icon_-_Version_%282%29.svg/50px-Test_Template_Info-Icon_-_Version_%282%29.svg.png)
Usage
Use the syntax {{Period start|period name|rounding (optional)}}
{{Period start|Cretaceous}}
produces:
145
{{Period start|Cretaceous|-1}}
produces:
150
References
References are provided by the template {{Period start ref}}.
Cambrian stages from English, Adam M.; Babcock, Loren E. (2010). "Census of the Indian Springs Lagerstätte, Poleta Formation (Cambrian), western Nevada, USA". Palaeogeography, Palaeoclimatology, Palaeoecology. 295 (1–2): 236. doi:10.1016/j.palaeo.2010.05.041.
Period templates
This list is incomplete. You may help by expanding it