A very fine adult internal mould with a complete peristome and lappet on one side and most of the lappet on the other. the body chamber occupies at least half the final whorl, shows rapid uncoiling of the umbilical seam, the terminal constriction and on each side the strong primary ribs, each giving rise to three secondaries which do not cross the venter, leaving a characteristic depressed smooth band. France.
Size: 65mm diameter
Size: 65mm diameter