Marrella, the most common fossil from the Cambrian Burgess Shale in British Columbia (508 million years old) is a small arthropod less than 2 cm long. Researchers have identified a mineral signature ...
Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Burgess Shale animals occupy a huge space in the public imagination, fueled by iconic ...
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