cuttlefish and purple sea urchin at Point Lowly by Dan Monceaux

Aristotle’s lantern and other ‘invertebrate bits’ by Heather Robertson

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Heather Lynn Robertson/Stoker writes a blog on marine invertebrates entitled Aristotle’s Lantern. As the title of her blog suggests, Heather seems to be particularly keen on sea urchins. In her own words, “Aristotle’s lantern… is a hard, calcareous feeding structure comprised of very intricate parts unique to sea urchins.” Here […]