The biomes you can choose from varies, depending upon the planet type you select. I did not save any of this information & it can only be seen after your purchase (via the “configure” your planet link/email).
If anyone else saved this info, please feel free to post it for others.
I have mental difficulties with forms, and so I need this information beforehand, outside of the form, so I can communicate my biome choices to my form-filling friend, which is the need for the answers before I begin the process of getting my own planet.
These old links still take you to the google doc even after your world has been made, just the code has already been used but you should be able to see the biomes again.