Cretaceous Sea Urchin White Topaz Bracelet collegefun For more details about the

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Much is known about their diet as fossilized stomach contents have been identified

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Cretaceous Sea Urchin White Topaz Bracelet collegefun For more details about theAncient sea urchins, small and spiny creatures, have existed for millennia. These echinoids first appeared in oceans 450 million years ago, where they fed on algae and sponges. Their flexible spines purpose was two fold: to protect against predators and allow for the slow crawl towards the urchins next meal. Buried for millions of years, their fossils appear in many places where those oceans once were and have inspired human cultures for thousands of