Radula
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The radula is an anatomical structure found in most mollusks, serving as their primary feeding tool. Often compared to a tongue, this minutely toothed, chitinous ribbon typically functions by scraping
Radula and individual tooth of the predatory ghost slug, Selenochlamys ysbryda
Microscopic detail of a docoglossan radula showing the denticles or teeth
Tracks made by terrestrial gastropods with their radulas, scraping green algae from a surface inside a greenhouse
Upper right: Mouth of a Planorbarius corneus freshwater snail with the radula visible.
Mollusca
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Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks. 86,600 extant species of molluscs are recognized, making it the second-largest animal phylum
Radula
…The radula (US: ; pl.: radulae or radulas) is an anatomical structure found in most mollusks, serving as their primary feeding tool. Often compared to a tongue, this minutely toothed, chitinous ribbon typically functions by scraping or cutting…
Cornu aspersum (formerly Helix aspersa)—a common land snail
Shell of Marisa cornuarietis, a freshwater snail
Fossilized ammonite displayed at the National Museum of the Philippines
Diversity and variability of shells of molluscs on display