epiphragm
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 23:40, 13 September 2013 by Andreas Plank (Talk | contribs)
Mollusca: Gastropoda) In land snails, a sheet of dried mucus across the aperture preventing loss of moisture during aestivation or hibernation.
epiphragm (noun; Greek epi, upon; phragma, partition): (