lunula
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 14:28, 10 September 2013 by Andreas Plank (Talk | contribs)
lunula (noun; plural lunulae; Latin diminutive luna, moon): 1. A small lunate mark or crescent-shaped object.
2. (Mollusca: Gastropoda) A crescentic ridge on the selenizone, concave toward aperture.
