My dear Linda;-
Rice's prices always comes through.
In the 1995 (13th edition) under the special pink section for
Volutes is the following:
CLAYDONI (Benthvoluta) Harasewich, 1987. (Dr. H. can probably
tell you more). Rice lists it as: "Australia: F++ 79mm w/o $65.00.
Have a happy day and thank you for shopping at K-Mart.
Art