Please provide a few major characteristics (shape, size, gram-stain, metabolism,

Please provide a few major characteristics (shape, size, gram-stain, metabolism, etc.) for each of the following groups.
Some groups will have a lot of variability in certain characteristics, that is okay. Focus on the characteristics that are distinct.
Finally, give one or two examples of well known members of each group.
Please provide a list, so need to write extensive paragraphs.
Bacteria types
1. Proteobacteria
2. Chlamydias
3. Spirochetes
4. Cynobacteria
5. Gram positive bacteria