CHORDATA - CLASSIFICATION OUTLINE BASIC
PHYLUM CHORDATA CAN BE DIVIDED INTO TWO GROUPS.
1 PROTOCHORDATES - 1 UROCHORDATA
2 CEPHALOCHORDATA
2 EUCHORDATES - 1 VERTEBRATA - 1 AGNATHA - CYCLOSTOMATA
2 GNATHOSTOMATA - PISCES AND TETRAPODA
(AMPHIBIA, REPTILIA, AVES, MAMMALIA)
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