Date: Sun, 2 Sep 2007 10:05:37 -0400
Reply-To: Conchologists List <CONCH-L@LISTSERV.UGA.EDU>
Sender: Conchologists List <CONCH-L@LISTSERV.UGA.EDU>
From: "Harry G. Lee" <shells@HGLEE.COM>
Subject: Re: sinistral whelk nomenclature
For those of you who would like to see the shells of the species John
T. and Andrew G. have mentioned, take a look at Bill Frank's
photo-essay on the genus Busycon at <http://www.jaxshells.org/busycona.htm>.
At 12:36 AM 9/2/2007, Andrew G. wrote:
>>On www.malacolog.org the sinistral whelk of the Western Atlantic
>>found from Florida to North Carolina is Busycon sinistrum Hollister,
>>My question: Are they now classified as Busycon perversum subspecies
>>laeostomum (Kent, 1982) per the findings of Wise, Harasewych and
>>Dillon "Population Divergence In The Sinistral Whelks of North
>>America With Special Reference to the East Florida Ecotone"?
>>Or Busycon sinistrum (Hollister, 1958)
>>Or Busycon perversum (Linnaeus, 1758)
>>Wilmington, North Carolina
>I have requested a reprint or PDF of the senior author. However the
>abstract clearly states that all sinistral polulations belong to B.
>perversum (L 1758).
>I will be most interested to hear what they have to say about DEXTRAL
>populations, because I believe that all living (as well as Pliocene &
>many Miocene) Busycon, whatever coiling direction, belong to this
>species. The exception being B. coarctatum, of course, which is
>distinct and does not inetrgrade with other forms. The others
>intergrade in such a way that one cannot sort them out (without
>ignoring the intermediate forms).