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2. Sea urchin - Wikipedia

   en.wikipedia.org/wiki/Sea_urchin

   Aristotle's lantern in a sea urchin, viewed in lateral section. The mouth of most sea urchins is made up of five calcium carbonate teeth or plates, with a fleshy, tongue-like structure within. The entire chewing organ is known as Aristotle's lantern from Aristotle's description in his History of Animals (translated by D'Arcy Thompson):

3. Lytechinus variegatus - Wikipedia

   en.wikipedia.org/wiki/Lytechinus_variegatus

   The green sea urchin has a structure called an Aristotle's lantern surrounding its mouth on its oral (under) surface. This has five teeth that can be used to rasp surfaces. It is largely herbivorous, feeding on the seagrass Thalassia. Its tube feet and spines also play a role in feeding, catching and holding bits of debris that float past. [4]

4. Heliophora - Wikipedia

   en.wikipedia.org/wiki/Heliophora

   Aristotle’s lantern is a complex system of jaws and muscles which are capable of a variety of feeding types including suspension feeding, herbivory and detritivory feeding, and occasionally predation. Adaptations to this lantern have allowed sand dollars to live in habitats which have fine, shifting substrates.

5. Echinometra viridis - Wikipedia

   en.wikipedia.org/wiki/Echinometra_viridis

   The reef urchin conceals itself in crevices or under boulders. It emerges at night to feed by grazing on algae with its five teeth, part of the Aristotle's lantern organ that surrounds its mouth. [4] It is not believed to bore holes, but its grazing still causes bioerosion in reefs. [5] In Panama, breeding takes place during the period April to ...

6. Camarodonta - Wikipedia

   en.wikipedia.org/wiki/Camarodonta

   All camarodonts have imperforate tubercles and compound ambulacral plates with the lowest elements enlarged. The pores are at regular intervals along the ambulacral plates from the apex to the mouth opening or peristome. The Aristotle's lantern, or jaw system, has keeled teeth with the supports meeting above the "foramen magnum". [2]

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   Adobe expects foreign exchange volatility and the company's shift towards subscriptions to cut into its fiscal 2025 revenue by about $200 million. The company is making significant investments in ...

8. Toxopneustidae - Wikipedia

   en.wikipedia.org/wiki/Toxopneustidae

   The tubercles lack the crenulations or ring of cog-like structures that articulate with the spines in certain other families. The Aristotle's lantern, or jaw apparatus, has the keeled teeth and the epiphyses united above the foramen magnum, the V-shaped gap between the hemipyramids that support the lantern's tooth. [2]

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