For Kingdom Monera we have a term and definition in Fossils.

Comprise bacteria and cyanobacteria. These are unicellular organisms that are prokaryotic, that is, do not have a nucleus surrounded by a nuclear membrane. The bacteria are mostly heterotrophic, that is, they cannot obtain energy from non-living forms and must eat other organisms, or their products, to obtain energy. The cyanobacteria are autotrophic, that is, they can convert energy from non-living forms into biologically useful energy (stored in the chemical bonds of biological molecules); cyanobacteria, like plants, accomplish this through the process of photosynthesis.
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