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Related articles:
Bilateria
Nemertea
Sponge
Animal
Germ layer
Deuterostome
Bryozoa
Mollusca
Lancelet
Cnidaria
Echinoderm
Protostome
Key terms: animal eumetazoa origin groups clade bilateria molecular sponge common fossil biology evolutionary animal evolution Search external links cited by footnotes on Wikipedia page Eumetazoa: |
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