Introduction:
Molluscs are one of the most diverse groups of invertebrate animals - both in form and habitat. Therefore the study of molluscs has captured the interest of amateur and scientists alike for many centuries they have figured prominently in paleobiological and biological studies, and have served as study organisms in numerous evolutionary, biomechanical, ecological, physiological, and behavioural studies (Little, 1990)
Within the phylum Mollusca, snails and slugs make up the largest molluscan group, and have therefore been studied most extensively. …
