Dear Mike,
 
It might be Strombus fasciatus or Str. erythrinus (but these are rather
rare with an orange aperture).
Should be able to see it to give you 100% certainty.
 
David  (a Strombus addict)
Belgium
 
On Tue, 3 Mar 1998, Michael Hoelling wrote:
 
> Hi everybody!
>
> I am looking for a good book for determining red sea shells. I sometimes
> get specimens from friends who go there for scuba diving, and I=B4m looki=
> ng
> forward to going diving there myself. So I would be thankful for any good=
>
> information about which book is useful for this region.
>
> The special determination problem I have right now concerns a Strombus
> species I do not find in my books: the two specimens I got are 34x20 resp=
> =2E
> 38x23 mm in size, the shoulder has a row of tubercles, the base colour is=
>
> white with interrupted brown spiral stripes, the mouth is bright orange.
> The collumellar callus has some shallow folds with deep orange staining
> between them. This is probably quite a common species, but see above for =
> my
> problem.
>
> Greetings from Germany
> Mike
>