Apertural form in gastropods
β Scribed by GEERAT J. VERMEIJ
- Book ID
- 115304130
- Publisher
- John Wiley and Sons
- Year
- 1981
- Tongue
- English
- Weight
- 99 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0024-1164
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π SIMILAR VOLUMES
Gastropod apertures reflect expanded states of their mantle edge under variable boundary conditions. The apertures are divided into two groups: apertures without distinct overlap zones (e.g., whorl overlap) and those with overlap zones. Each group follows a unique morphological rule. Apertures witho
## Abstract This paper discusses and corrects ideas in LΓΈvtrup and LΓΈvtrup (__J. Morphol__. 197:53β62, '88) on how differential growth rates around the aperture cause the gastropod shell to coil at particular angles. The relationship between position relative to the shell apex and growth rate is de