This Is How Trilobites Made Babies Before Birds and Bees
The robust, calcite-infused exoskeletons and fragmented shells of trilobites are found almost everywhere in fossil beds from the Cambrian Period to the Permian. But this treasure trove of trilobite fossils has revealed frustratingly little about how Paleozoic animals reproduced over 250 million years of life on ancient Earth. A recently reexamined fossil Burgess Shale It …
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