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PALAEONTOLOGY[online] | Article: Fossil Focus > Fossil Focus: Hallucigenia and the evolution of animal body plans
Article" Fossil Focus: Hallucigenia and the evolution of animal body plans" by Martin R. Smith published on PALAEONTOLOGY[online] with in the Fossil Focus category.... by Martin Smith*1 Introduction: Five hundred and fifty million years ago, few (if any) organisms on Earth were much more complex than seaweed. But this
Russell Garwood