Template:Cambrian substrate revolution
This illustrates the Cambrian substrate revolution.
It has 2 optional parameters:
- caption, which defaults to "The Cambrian substrate revolution". The caption can also be supplied as the first unnamed parameter, e.g. {{Cambrian substrate revolution | my caption}}
- float, which defaults to "right"; the valid alternative is "left". There is no unnamed equivalent.
It is based on Template:Annotated image.