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Pulleniatina obliquiloculata

A planktonic foram species with a detailed fossil record, whose right-handed coiling dominance over the past 860,000 years followed a series of rapid global flips occurring every few thousand years.

Catégorie : Sciences

Articles liés (1)

Why Do These Fossil Shells Flip Their Spirals Every Few Millennia?

The mystery of the flipping foraminifera may conceal a rarely observed evolutionary process playing out across the planet. The post Why Do These Fossil Shells Flip Their Spirals Every Few Millennia? first appeared on Quanta Magazine

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