If we’re going to be comparing feeding apparatuses (apparati?) of molluscs and echinoderms, your precious mantle-wearing protostomes don’t stand a chance. Echinoderms utilize one of, if not the, ...

How Many Teeth Do Snails Have? The radula houses the snail’s ‘teeth’. Snails usually have between 10 and 15,000 teeth, though some may have up to 25,000. They’re generally organized in ...

"Essentially, animals with radulae extend them — a bit like sticking out their tongue — and scrape at whatever they are feeding from," he told Live Science.

The radula is a distinctive, chitinous feeding apparatus found in most molluscs, and its specialised tooth structures play a crucial role in the efficient processing of food. In gastropods, the ...

The feeding biologies and habitats of four nudibranchs in colonies of the hydroid Obelia geniculata were investigated to determine whether these factors contribute to the coexistence of the ...

Chitons are small, ancient marine molluscs that cling to rocks and feed by scraping algae off surfaces using a ribbon-like tongue called a radula. The teeth on this radula are constantly worn down ...