Above top row, true tulips. A few of them could stand a touch-up with either mineral oil or water-based polyurethane. That chaulky look will go away, and the colors will be truer.
Above, two variants of the banded tulip. I used to think the pinker ones were just faded versions of the browner ones, until I read in one of Gary’s shell books that they are actually a variant.
Above, top row: the first five are paper figs. The next 4 are pear whelks.
Bottom row: lightening whelks, and the corner of the venus ray.