An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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by Paul S. Mikkelsen |
Term | Definition |
OPERCULUM, PAUCISPIRAL |
An OPERCULUM having only a few whorls or turns, of rapidly increasing width; = OLIGOGYROUS SPIRAL; MULTISPIRAL. For illustrations, see The Humble Operculum website page: Operculum Structures. |
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PAUCISPIRAL | Having only a few WHORLS or turns, of increasing width; see also: MULTISPIRAL; CONCENTRIC. | |
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