a large, conical and spiralled shell a thin, pointed spire at the apex a wide and rounded base a white, yellow, or brown colour smooth or ridged surface texture an operculum (protective plate) at the opening a siphon that protrudes from the shell
whelk which is a large, conical and spiralled shell whelk which is a thin, pointed spire at the apex whelk which is a wide and rounded base whelk which is a white, yellow, or brown colour whelk which has smooth or ridged surface texture whelk which is an operculum (protective plate) at the opening whelk which is a siphon that protrudes from the shell