Prokaryotes are divided into two parts that are domain: Bacteria & Archaea.
-Domain Bacteria includes: 1) Proteobacteria. 2) Chlamydias. 3) Spirochetes. 4) Cyanobacteria. 5) Gram-Positive bacteria.
-Domain Archaea includes: 1) Euryarchaeotes. 2) Crenachaeotes. 3) Nanoarchaeotes. 4) Korarchaeotes.