Assertion: goose necked barnacle | /r/HasProperty | deep water mollusc
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text: The fact that it was never seen to breed gave rise to a myth that it was in fact spontaneously generated from molluscs, the Goose Barnacle, or Goose Neck Barnacle, Lepas anatifera, a deep water mollusc that is occasionally washed up on shore attached to pieces of driftwood.