Good point. I'm not sure if any live collected specimens of the deep-water
species are available. Also, loss of the neritid opercular pegs may occur,
I'm not sure.
Kurt
At 10:22 AM 9/2/99 -0400, you wrote:
>Couldn't a Naticid be easily distinguished from a Nerite by the operculum,
>regardless of the shell shape?
>Paul M.
>