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

by Paul S. Mikkelsen

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Term Definition


LABIAL PALPS   [need definition].

LABIAL TOOTH   A CERATUS, a relatively long, spur-like or hornlike extension of the outer lip margin of a gastropod shell, projecting toward the interior of the aperture.

RIB, LABIAL   A varix; a thickened or extensive AXIAL RIB.

TENTACLE, LABIAL   = ORAL TENTACLE. See illustration: Composite Nudibranch.

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