The Lophophorates

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The Lophophorates
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Classification

• Phoronida--unitary organism, tube dwelling with
  lophorate at upper end of body, only marine
• Bryozoa-modular, zooids, polypide, marine and
  freshwater (statoblast)
• Brachiopoda-unitary organisms, bivalved-shell is
  chintin and calcium phosphate, dorsal/ventral-most
  prominent in the Paleozoic--inarticulate,
  articulate

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What is a lophophore

• Tentacular crown
• Unitary vs modular organism