Taxonomic information of, and a list of the classes within, the phylum (division); Cnidaria including the number of families in each class
Class is a taxonomic group of related biological units. There are a number of different
classes (See list below). Until the early 18th Century, when its place was assumed by the
taxonomic group Phylum, it used to be the highest level grouping in the taxonomic naming
convention. Even today there are numerous differing opinions relating to its structure and
constituent members and with the introduction of more modern naming and grouping systems has
become of minor importance.
All higher order animals, including mammals, reptiles, birds and fish
Classes of the Phylum Cnidaria
Alphabetical list of orders within the class
This page displays the Classes within the selected Phylum: Cnidaria. The number of entries in right-hand column indicates the number of Orders of each Class in the level below.