This is one I'm really looking forward to hearing what the experts think - I've been grabbing up specimens from as many localities as I can, and the Honduras ones definitely do stand out (I was told that the animal from the Honduras ones are red, as compared to the black animals for the angulata from elsewhere?).  I do have specimens that look like the middle one from the Bahamas, but have specimens like the one at the right from both Mexico and the Bahamas, so am not sure if there's a pattern of shape vs distribution from what I've seen (but I'm not at all an expert on these).  The shell of the Honduras specimen definitely does have a distinct shape with the long anterior taper, though.
BTW - isn't the Honduras one called scolymoides, not scolymus (a junior synonym of angulata)?  Scolymoides is named after fossils, and I've heard a variety of opinions as to whether it's even a valid species separate from angulata, even though the animal's a different color?
Will be looking forward to hearing more on this topic - it would be wonderful if it could be figured out whether or not scolymoides is valid, once and for all?
- Batt
________________________________________
From: Conchologists List [[log in to unmask]] On Behalf Of Pete Krull [[log in to unmask]]
Sent: Thursday, November 17, 2011 7:24 PM
To: [log in to unmask]
Subject: [CONCH-L] Western Caribbean Turbinellas

Thanks to everyone who replied about the Caribbean Charonias I posted a few days ago. The knowledge shared was interesting and invaluable. Now I have another group of shells that have intrigued me recently. They are the Caribbean Turbinella complex T. angulata/scolymus.

Below are three photos of three shells. The one on the left, from Roatan, Honduras, should be T. scolymus. The one on the right, from Cozumel, T. angulata. Does anyone have an idea what the shell in the middle is? It almost seems to be a "hybrid" of the other two. Unfortunately I do not know where the middle shell is from. it came from the Ted Kalafut collection so it could be either from the Western Caribbean(he spent time at Roatan). Or it could be from the Florida Keys or Bahamas, or someplace else.

All of these shells are large adults.

Again, I appreciate anyone's thoughts on these shells. scroll to the right at the following link to see all three photos:

http://s849.photobucket.com/albums/ab59/Lysiloma/?action=view&current=007.jpg

PKrull
Pete Krull
Sheller23 Seashells
http://stores.ebay.com/sheller23-Seashells
[log in to unmask]<mailto:[log in to unmask]>
We buy, Sell, Trade shells, shell related and
other Natural items

----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------