Published online by Cambridge University Press: 01 May 2009
Amongst the corals collected by the Geological Survey during the past season, and submitted to me for determination, two specimens call for special remark, since they appear at first sight to occur out of their true zonal position. They were found by Mr. Dixon on the Pembrokeshire coast, to the south and south-west of Castle Martin. In each case Mr. Dixon gives the horizon as C2–S1, in the terms of Dr. Vaughan's classification. They are, accordingly, of Lower Visean age.
2 Douglas, J. A., “The Carboniferous Limestone of County Clare”: Q.J.G.S., 1909, vol. lxv, pl. xxvii, fig. 6.Google Scholar