Dear Carole,
  Cypraea mappa and Angaria vicdani are flourescent under U.V.
  George

>Dear Conch-L ers,
>I have had a question from someone and thought I would refer to higher powers
>than my own knowledge.
>   I was giving a program on fluorescence in mollusks and was asked if any
>mollusks are known to chemiluminesce. In other words, glow without any
>interference from man. Is there any one out there in conch-l land who knows
>this? Also, for those of you keeping lists of shells that fluoresce, add
>Dentalium aprinum to the list. It glows a really beautiful red under U.V.
>    Thanks,
>        Carole Marshall