An Illustrated and Cross-Referenced Glossary of
Malacological and Conchological Terms
|by Paul S. Mikkelsen|
|CHEVRON (GROOVE)||V-shaped furrow on cardinal area in some Arctacea and early Pectinacea, for insertion of the LIGAMENT.|
A distinct furrow, depression, channel, or hollow cut occurring on the surface as opposed to a thin, shallow scratch (e.g., a STRIA); see also:
Photo by Marlo F. Krisberg; Nerita fulgurans Gmelin, 1791.
|LIGAMENT GROOVE||Narrow depression in CARDINAL AREA for attachment of fibers of the LIGAMENT.|
A longitudinal groove in the body of a snail that marks the boundary where the TUBERCULATE side wall of the foot joins the smooth ventral sole; see also: SUPRAPEDAL GROOVE.
In the neomeniomorph (Solenogastres) APLACOPHORANS, a longitudinal narrow groove which functions as a foot, beginning anteriorly in a PEDAL PIT. See the WHOI website for a photo by Amelie Scheltema.
|PERIOSTRACAL GROOVE||[need definition].|
A GROOVE that encircles the spire of a shell. Revolving grooves going in the direction of the turning of the whorls. Coarser than a
Photo by Marlo F. Krisberg; Echinolittorina riisei (Mörch, 1876).
|SUPRAPEDAL GROOVE||A groove above, and running parallel to, the PEDAL GROOVE in certain snails.|
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