Synopsis A large, sub-vertical, conical burrow, Cornulatichnus edayensis ichnogen. nov., ichnosp. nov. occurring in the Eday Marls and Upper Eday Sandstone of Orkney is described. C. edayensis occurs in both the massive sandy siltstone and in the laminated sandstone of the Eday Marls, suggesting excavation in a floodplain environment. A sub-aqueous origin is indicated by the presence of a well developed burrow lining and by the absence of cavities within the fill and of scratch-marks on the burrow walls. It is suggested to have been excavated as an open shelter burrow, possibly by an eel-like fish.
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Carroll et al. (1995) studied this question.
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