Sentence Examples


  • Triforis, Physa, Clausilia are examples of sinistral Gastropods, but reversal also occurs as an individual variation among forms normally dextral.
  • Physa, British.
  • Physa is smaller than Limnaeus and has the upper part of the spire much shorter.
  • Its body is divisible into three portions, an upper capitulum bearing the mouth and tentacles, a median scapus covered by a friable cuticle, and a terminal physa which is rounded.
  • Both capitulum and physa can be retracted: within the scapus.
 

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