Calyptræa chinensis (LINNÉ)

Fossil mollusc, Calyptræa chinensis (LINNÉ) (gastropod, chinaman's hat); apex of shell, borehole from the Quaternary (Pleistocene, Early Pleistocene) deposits, Icenian Crag, of Yare Crossing University of East Anglia Borehole 6, Norfolk, England examined by Dr Peter E.P. Norton, 1973