While gastropods have many different shell shapes (or no shells at all) and lifestyles, they are united by undergoing a process called torsion during their development.
24+ Gastropod Mollusk Anatomy. Some gastropods are herbivores using the radula to scrape off food particles. Some modern species are voracious.
The anatomy of an aquatic snail with a gill, a male prosobranch gastropod. There are so many species of gastropods, it would be impossible to include them all here. About 20 per cent of the species of freshwater fish feed more or less upon mollusks, largely gastropods;
They have a variety of forms, ranging from large predatory squid and octopus, some figure 15.24 there are many species and variations of mollusks;
Others are carnivores and use the radula to penetrate the shells of their prey. Gastropods are the most important class of the phylum mollusca as they make up about 80% of the mollusk species. Some gastropods are herbivores using the radula to scrape off food particles. Anatomy of which is quite similar to those of strombus spp.