The Classes of Phylum Chordata

 Ascidiacea sea squirts
 Thaliacea salps
 Larvacea larvaceans
 Agnatha jawless fish
 Chondrichthyes cartilagenous fish
 Osteichthyes bony fish
 Amphibia amphibians
 Reptilia reptiles
 Aves birds
 Mammalia mammals


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