Threatened species of Prokaryotae

Name(s): 
Threatened species of Monera
Threatened species of Prokaryotes
Threatened species of Bacteria
Nature 
The monera are the smallest of living things. They are one-celled with a very simple cellular structure (no cell nucleus or organelles). Examples of monera are bacteria and cyanobacteria. There is no known record of species of monera under threat of extinction.
Background 
The taxonomy of this group of organisms is strongly debated and has various fomrats, depending partly on the perspective of the taxonomist (biology, medicine, sedimentology, archaelogy, genetics etc).
Type 
(B) Basic universal problems