Devil’s corkscrews or spirals Dæmonelix
In 1891, when geologist Erwin H. Barbour was conducting an expedition in the poorlands near White River, Nebraska, locals drew his attention to unusual fossils. They were sand-filled spiral tubes up to 3 meters long with walls of white fibrous material. Such fossils were found in an area that at the time was considered the bottom of a dried-up ancient lake.













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