Biology

Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world.

There are eight distinct taxonomic categories. These are: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species

I know it but I asked taxonomic research and how many types of it...

The branch of biology that deals with identification classification and nomenclature and other aspects of biology is called taxonmy