From The School of Biomedical Sciences Wiki
Phylum is a taxenomic rank inbetween kingdom and class according the international code of nomenclature developed in 1993. It is the 6th taxenomic rank, counting from species.
- ↑ Dennis O'Neil. (2013). Kingdom to Subphylum . Available: http://anthro.palomar.edu/animal/animal_3.htm. Last accessed 3rd December 2015.