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Tag Archives: Haikouella

Pikaia Is A Perfect Cambrian Living Thing, Claiming That It Is A Transitional Form Fossil Is A Deception

Pikaia, because of several of its features, was included in the phylum Chordata, which also includes vertebrates. The first known Cambrian representative of this phylum, it had a pair of short tentacles on the front. The trunk consisted of solid blocks of muscle, curved in an S shape. The tail expanded in the form of a fin. Pikaia swam just …

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