R. R. Horne, and P. R. R. Gardiner. “A New Trace Fossil from Non-Marine Upper Palaeozoic Red Beds in County Wexford and County Kerry, Ireland ”. Netherlands Journal of Geosciences (January 1, 1973): 125-131. Accessed May 9, 2026. https://njgjournal.nl/index.php/njg/article/view/14498.