In biology, a phylum<span> is a level of classification or taxonomic rank below Kingdom and above </span>Class<span>. Traditionally, in botany the term division has been used instead of </span>phylum<span>, although the International Code of Nomenclature for algae, fungi, and plants accepts the terms as equivalent.</span>
A division of order sharing a more specific common attribute. For example, there is a Family of frogs called "Ranidae" More specifically the definition of an order is.