Fossilized penis worm suggests Grand Canyon was an evolutionary hotbed The Washington Post Grand Canyon Fossils Offer Glimpse Into When Complex Life Appeared The New York Times Stunning Grand Canyon Fossils Reveal Evolution’s Weird Experiments ScienceAlert Treasure trove of half-billion-year-old animal fossils in Grand Canyon cosmosmagazine.com Fossil discovery reveals the Grand Canyon was a ‘Goldilocks zone’ for the evolution of early animals Phys.org Source link
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