>Now that I'm looking at some of the web images of Jujubinus, I'm not sure
>this one would fit. It would certainly be atypical.

Hi David

Jujubinus, I believe, is from Europe/Mediterranean only... I can't
think offhand what your beast is. Is the aperture fresh? Is it
nacreous? If nonnacreous, it's either because it's old or it's a
trochiform nontrochid. Image?
--
Regards
Andrew