An Illustrated and Cross-Referenced Glossary of
Malacological and Conchological Terms

by Paul S. Mikkelsen

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Term Definition

COLUMELLAR   Pertaining to the COLUMELLA.
   

COLUMELLAR CALLUS   A smooth, shelly layer extending over the COLUMELLAR area, secreted by the mantle; see also: PARIETAL CALLUS.
   

COLUMELLAR FOLD   A raised ridge on the COLUMELLA that follows the helical growth pattern of a gastropod shell.; see also: FUNICLE.
   

COLUMELLAR LIP   The part of the inner lip, of a gastropod shell, nearest to the axis of coiling, and comprising the visible part of the COLUMELLA.
   

COLUMELLAR PLAIT   [need definition]. See illustration: Composite Gastropod.
   

COLUMELLAR PLICAE   [need definition]. See illustration: Composite Gastropod.
   

COLUMELLAR TOOTH   A sharply raised projection, emanating from the COLUMELLA and protruding into the APERTURE of a GASTROPOD. See illustration: Composite Gastropod.
   

COLUMELLAR WALL   Surface of the COLUMELLA.
   

LIP, COLUMELLAR   The lower portion of the INNER APERTURAL LIP; see also: LIP, PARIETAL.
   


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