Sea Urchin Jaws
Sea urchins possess unique jaws which display 5-part symmetry, termed the "Aristotle's lantern". Each unit of the jaw holds a single, perpetually-growing tooth composed of crystalline calcium carbonate.
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Famous quotes containing the words sea, urchin and/or jaws:
“As the tide crept, the land
burned with a lizard-blue
where the dark sea met the sand.”
—Hilda Doolittle (1886–1961)
“Nutmeg, civet, and sea-parsley serve the plagued groom and bride
Who have brought forth the urchin grief.”
—Dylan Thomas (1914–1953)
“The sweetest joys of life grow in the very jaws of its perils.”
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