Yes, snails are found in the desert but only emerge after rains in the summer.
camels, jackrabbits, snakes, snails,
this is not very general but if you are looking for just one specific type to search try the 'white desert snail'
sand, like salt, would dry them out.
Estivation
Yes, snails can and do survive in the desert. There are several species of land snail that do quite well in the Chihuahuan Desert where I live. They are only active during rainy periods and spend the rest of the year burrowed below the surface.
Apple snails are freshwater aquatic snails. Garden snails are land snails.Apple snails have lungs and gillsGarden snails have lungs onlyApple snails skin is thin and translucent (with slime)Garden snails skin is thick and leathery (with slime)All apple snails have two sets of antennaeGarden snails have species with one and two sets.
One decomposes in the Sahara desert is the Dung Beetle. The dung beetles feed on the dung, and roll the dung all the way to their homes for the females to lay in it. I know, their jobs are pretty disgusting.
water snails but not regular snails
Sea snails Freshwater snails
Apple Snails will eat other snails if you don't feed them. If you feed them, then they are alright.
Snails do not have bristles. Snails do have a raspy tongue though.
no snails are not harmful.