The word taxon signifies a taxonomic group of any rank which represents the real biological organisms included in a catagory. The term taxon was coined by Adolf Meyer (1926) for animals and H.J Lam (1948) used this term in plant Science.
These organisms also differ in size, color, habitat, physiology, and morphology.
Biologists have developed certain rules and principles supplementary which are helpful in the identification, nomenclature, and classification of organisms.