An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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by Paul S. Mikkelsen |
Term | Definition |
TRANSVERSE | Crossing the shell horizontally (i.e., spirally); see also: AXIAL; SPIRAL. In bivalves, the direction perpendicular to that of the CARDINAL AXIS in plane of valve margins; see also: CONCENTRIC; DIVARICATE. | |
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