スミソニアン博物館のインスタグラム(smithsonian) - 1月13日 05時56分

This 46-million-year-old ant is causing scientists to rethink what they understand about the insects.? Previously unknown and hidden in a shale formation in Montana, 12 prehistoric species of ants were recently discovered by a @smithsoniannmnh paleontologist. The find suggests the genus has been around much longer than researchers calculated in the past.

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