Astrantia Sparkling Stars Mix Valencia Spain Spanish Sunflower Valencia Orange Citrus Fruit Crate Label Print eBay Carboniferous Period information and Prehistoric Facts National Geographic National Geographic Can Snake Plants Live Outside? A Horticulturist Explains This specimen of an early conifer known as Walchia, is from the late Carboniferous aged Hamilton Quarry, a 303 million year old site in southeastern Kansas. Photo taken at Johnston Geology Museum,