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Fossils of tiny cupuladriid colonies reveal extinction can lag more than one million years after its cause
A new Smithsonian study that examines 10 million years of the evolution of tiny coral-like organisms called cupuladriid bryzoans has revealed that some species of this organism lingered on earth for more than one million years after the event that ultimately caused their extinction: the rising of the Isthmus of Panama. [...more]
