A group of mollusks (particularly sea snails) with a ribbon-like feeding structure called a radula that has a simple pattern.
From Greek 'dokos' (beam) and 'glossa' (tongue), referring to the beam-like arrangement of teeth on the radula, a specialized feeding structure in mollusks.
The radula is one of nature's most elegant solutions—a snail's 'tongue' is covered with thousands of microscopic teeth made of chitin, and these teeth are continuously replaced throughout the animal's life, like a biological conveyor belt.
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