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)
General shape of the
|patelliform||Non-coiled and low cap-shaped||
|turreted||Flat or gently rounded base with very high spire|
|turbinate||Top-shaped with a rounded base|
|dextral||Aperture is on right side of shell. In apical view, shell coils in clockwise direction|
|obconical||Nearly flat spire with strongly conical base|
Nearly flat spire with apex and base having nearly the same widths
BUBBLES HAVE ONLY ONE WHORL!!!
|fusiform||Spindle-shaped, largest in middle and pointed at both ends|
|conoidal||Spire and body whorl forming a cone that is distinctly steeper-sided near the base than at the apex|
|worm||A thin shell that forms a long and irregular tube|
|conch||Large shell that has knobs on the body whorl and a thick outer lip|
Last updated on September 3, 2002-eek.