• Cisuralian

    Origin

    Full definition of Cisuralian

    Adjective

    Cisuralian

    1. (geology) Of a geologic epoch within the Permian period from about 299 to 270 million years ago; marked by the appearance of beetles and flies.

    Proper noun

    Cisuralian

    (plural Cisuralians)
    1. (geology) the Cisuralian epoch
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