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Date: | Tue, 23 Dec 2003 23:05:03 -0500 |
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>Good Dr. Campbell,
>Not being familiar with Ms. Serb's work, do you know if new names have been proposed and for which river populations, or have varieties such as C. aberti "lamarckiana" Lea 1852 been proposed for full specific status? To which publication was the paper submitted? I look forward to having three species instead of one!<
I don't know how much progress has been made yet in trying to connect the genetically distinct populations with published names. At least one river contains two genetically distinct forms with very similar shells, but this has not been found for other localities. Simpson (1914) lists popenoi Call, 1885 as another possibility, and some specimens from west of the Mississippi are genetically closer to stegaria than to aberti. Unfortunately, the type locality for aberti is among the extirpated populations, though others survive within that river system.
>Merry Christmas!<
The season for Anomia-Jingle Shells!
Dr. David Campbell
Old Seashells
University of Alabama
Biodiversity & Systematics
Dept. Biological Sciences
Box 870345
Tuscaloosa, AL 35487-0345 USA
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That is Uncle Joe, taken in the masonic regalia of a Grand Exalted Periwinkle of the Mystic Order of Whelks-P.G. Wodehouse, Romance at Droitgate Spa
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