Thanks for all the responses!! Below, I have made a list of Voluta
I want to feature. I have changed my mind about 10 rarities. I think, to
make space
for everyones responses, I will do 20. Here are Voluta:

Tractolira sparta Dall, 1896
Lyria cordis Bayer, 1971
Tenebrincola cukri Rokop, 1972
Benthovoluta gracilor Rheder, 1976
Scaphella macginnorum Garcia & Emerson, 1987

I think that's all I will list for voluta. Now, what about Cypraeidae,
Trochidae, Turridae, Coralliophilidae, Muricidae, and perhaps
Abyssochrysidae?
I will compile the suggestions of everyone once I get enough.

Kindest Regards,
James

P.S. Is Pterynotus radwini a really rare species?
I thought I would feature it because of it's spectacular
wing varice. What about Latiaxis juliae?