Donovan, S. K.; Doyle, E. N. (2019). Utility of crinoid columnals in palaeontology illustrated by a new species: Clare Shale Formation (Carboniferous), Doolin, County Clare, western Ireland. Proceedings of the Geologists' Association. 130(6): 696-700.
Utility of crinoid columnals in palaeontology illustrated by a new species: Clare Shale Formation (Carboniferous), Doolin, County Clare, western Ireland