Calyptræa chinensis (LINNÉ)

Fossil mollusc, Calyptræa chinensis (LINNÉ) (gastropod, chinaman's hat); well preserved, the largest shell is intact, borehole from the Quaternary (Pleistocene, Early Pleistocene) deposits, Icenian Crag, of the Royal Society Borehole, Ludham, Norfolk, England examined by Dr Peter E.P. Norton, 1961