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Superphylum Lophotrochozoa: Molluscs and Annelids

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By the end of this section, you will be able to do the following:
  • Describe the unique anatomical and morphological features of molluscs and annelids
  • Describe the formation of the coelom
  • Identify an important extracoelomic cavity in molluscs
  • Describe the major body regions of Mollusca and how they vary in different molluscan classes
  • Discuss the advantages of true body segmentation
  • Describe the features of animals classified in phylum Annelida