For those kicking around the Cypraea species/subspecies/forms/
and all else, you might want to obtain a copy of "An Atlas of Cowrie
Radulae" (Mollusca: Gastropoda: Cypraeoida: Cypraeidae)  by Hugh
Bradner and E. Alison Kay.  This supplement to the "Festivus" (Volume
XXVII, December 27, 1996 - 179 pp.), has SEM images of the radulae
202 species of cowries.

This publication was free to those of us who are members of the
San Diego Shell Club, but is likely still available for a fee to those
who are not so affilitated.

Bill Frank
1865 Debutante Dr.
Jacksonville, Florida 32246
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Visit the Jacksonville Shell Club Home Page
http://home.sprynet.com/~wfrank/jacksonv.htm