An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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by Paul S. Mikkelsen |
Term | Definition |
COLLABRAL | Parallel or nearly so. See also: COLLABRAL LINES. | |
COLLABRAL LINES | A series of similar, adjacent lines. See also: GROWTH LINE. | |
LABRAL | Pertaining to the outer APERTURAL LIP margin (by common usage; properly: LABIAL). | |
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