Haikouella

phylum	Chordata	Haikouella is a probable chordate from the Lower Cambrian Maotianshan shales of Chengjiang County in Yunnan Province, China. Haikouella does not have bones or a movable jaw, but it otherwise resembles vertebrates. For more information, visit the Wikipedia entry. Get back to Agnatha
superclass	Agnatha
genus	Haikouella

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  Yujin Haikouella