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A snail is a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name snail is also used for most of the members of the molluscan class Gastropoda that have a coiled shell that is large enough for the animal to retract
The word seashell is often used to mean only the shell of a marine mollusk. Marine mollusk shells that are familiar to beachcombers and thus most likely to be called "seashells" are the shells of marine species of bivalves (or clams ), gastropods (or snails ), scaphopods (or tusk shells ), polyplacophorans (or chitons ), and cephalopods (such ...
Born right smack on the cusp of millennial and Gen Z years (ahem, 1996), I grew up both enjoying the wonders of a digital-free world—collecting snail shells in my pocket and scraping knees on my ...
Snail families that contain fungivore species include Clausiliidae, [30] Macrocyclidae, [31] and Polygyridae. [32] Mushroom-producing fungi used as a food source by snails and slugs include species from several genera. Some examples are milk-caps (Lactarius spp.), the oyster mushroom (Pleurotus ostreatus), and the penny bun.
Snail dish from Toledo, Spain Snails are eaten by humans in many areas such as Africa, Southeast Asia and Mediterranean Europe , while in other cultures, snails are seen as a taboo food . In English, edible land snails are commonly called escargot , from the French word for 'snail'. [ 1 ]
Later discoveries of similar animals and the development of new theoretical approaches led to the conclusion that many of the "weird wonders" were evolutionary "aunts" or "cousins" of modern groups [18] —for example that Opabinia was a member of the lobopods, a group which includes the ancestors of the arthropods, and that it may have been ...
A snail breaks up its food using the radula inside its mouth. The radula is a chitinous ribbon-like structure containing rows of microscopic teeth. With this the snail scrapes at food, which is then transferred to the digestive tract. In a very quiet setting, a large land snail can be heard 'crunching' its food: the radula is tearing away at ...
The word "micromollusc" is used most often for marine shelled species, although a reasonable number of land and freshwater species are also small enough to qualify as micromolluscs: for example, the land snail family Punctidae and the majority of species in the freshwater bivalve genus Pisidium.