Land Snails
All land snails are gastropod mollusks, meaning that they belong to the same group of octopuses, which are part of the phylum Mollusca. At the same time, they are members of the class Gastropoda, which includes all snails and slugs. Being a mollusk means lacking an internal skeleton and bones, but snails are protected.
Snails have a single spirally coiled shell. They have muscular foot used for creeping in most species. Land snails are incredibly slow. Their forward speed depends on the species, but usually, it is between 0.5 and 0.7 inches per second. While moving, snails leave behind a trail of slime, a lubricant they produce to allow them to go on any terrain without injuring its body. Land snails aren’t able to hear at all, but they have eyes and olfactory organs. They use their sense of smell to help them find food being their most important sensory organ.
Snails feed on very small things. Most of them scrape or brush particles from surfaces of rocks, seaweeds, animals that don't move, and other objects. For feeding, snails use a radula, a hard plate that has teeth.
(Adapted from http://www.biokids.umich.edu/critters/Gastropoda/ and
s://www.snail-world.com/)
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