#articulata_hypothesis

Articulata hypothesis

Ancestral origin theory

The Articulata hypothesis is the grouping in a higher taxon of animals with segmented bodies, consisting of Annelida and Panarthropoda. This theory states that these groups are descended from a common segmented ancestor. The Articulata hypothesis is an alternative to the hypothesis that ecdysis is a primitive characteristic – this would place Panarthropoda in the group Ecdysozoa.

Mon 6th

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