Fossil friday: Platycrinus saffordi, the sea lily
Though they're known as sea lilies, crinoids are animals not plants. Think of them as starfish-on-a-stick: they are filter-feeding sea ...
Though they're known as sea lilies, crinoids are animals not plants. Think of them as starfish-on-a-stick: they are filter-feeding sea ...
Paleontologists have long believed that complex organic molecules couldn't survive fossilization; but to contradict this long standing belief, some 350-million-year-old ...
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