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