GLOSSARY OF GASTROPOD MORPHOLOGIC TERMS
Illustrations and objective data courtesy of AMOCO Production Co., Alan B. Shaw (Manager, South Florida Carbonate Project), and Brian F. Glenister (AMOCO Consultant)
B1. Number of Whorls
Total number of distinct turns
of the spire
| Character State | Definition | Illustration |
| none | 0 | |
| low | 1 - 3 | |
| moderate | 4 - 7 | |
| high | > 7 | |
| irregular | Irregular | |
Last updated on August 28, 2002-eek.