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Jurassic Pioneer: Ancient Semi-Aquatic Predator Reveals Origins of Mammalian Nursing
In the shadow of the gargantuan dinosaurs that dominated the Jurassic period, a small but formidable creature was quietly perfecting biological innovations that would one day define the mammalian lineage. Scientists have identified a 165-million-year-old fossil, Megacauda sungei, a furry, semi-aquatic predator that provides an unprecedented look at how early mammal relatives navigated their environments…
