Subphylum
A subphylum is a classification group used in taxonomy. The modern taxonomic system is based on ideas posed by Carolus Linnaeus during the eighteenth century. He was a botanist who developed a method for classifying plants in an orderly manner.
In his system, he gave every organism a two part name. He also grouped organisms into a hierarchy of increasingly general categories. His system has since been modified by discoveries in the areas of genetics, evolution and morphology. In the current system of taxonomy a subphylum is the third most general category after kingdom and phylum. Examples of subphylums include vertebrates and invertebrates.
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