sentences:  Lord Howe flax snail
  
  The Lord Howe flax snail or the Lord Howe placostylus, scientific name Placostylus bivaricosus, is a species of large air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Bothriembryontidae.This large snail is found only on Lord Howe Island off the east coast of Australia.