1. D Domain
2. K Kingdom
3. P Phylum
4. C Class
5. O Order
6. F Family
7. G Genus
8. S Species
The hierarchy of species is mainly used by taxonomist in order to classify, organize and systematize certain species in both the animal and plant kingdom so to speak –living things. These helps them if found a new discovered specie, they cluster it into the appropriate category into where it fits best. There are certain factors to categorize though.