Chordata and Vertebrata

 

Characteristics of Chordates

 

There are three subphyla of chordates

            Cephalochordata

            Urochordata

            Vertebrata

 

There are seven classes of vertebrates

            Agnatha

            Chondrichthys

            Osteichthys

            Amphibia

            Reptilia

            Aves

            Mammalia

                        Monotremes

                        Eutherians

                        Marsupials