Harry et al,

Regarding I. recurvum, I would be interested in hearing more about
those northern records, ie Cape Cod or thereabouts.

It has never been found in New York to my knowledge,  at least not
recently, so I am curious if anybody knows what the actual northern
records are.

On 10/9/09, Harry G. Lee <[log in to unmask]> wrote:
> Team,
>
> Maybe it would be salutary to pool our resources
> and assemble ranges for each of the three mussels in the recent discussion:
>
> Geukensia demissa (Dillwyn, 1817): Gulf of St.
> Lawrence, Canada (Abbott, 1974: 437) - the
> northeasternmost part thereof [39º; Rosenberg,
> 2009] to Lake Worth Lagoon, Palm Beach Co., FL (Marshall, 2009).
>
> Geukensia granosissima (G.B. Sowerby III, 1914):
> FL Keys (Mikkelsen and Bieler, 2008: 84-85) to
> Yucatan, S.E. Mexico (Andrews, 1971: 156, but not
> Vokes and Vokes, 1984). In my allotted hour, I
> could find no records S. of TX except for
> "Caribbean Central America, South America
> (Venezuela)" (Mikkelsen and Bieler, 2008: 84-85).
>
> Ischadium recurvum (Rafinesque, 1820): Cape Cod
> (Abbott, 1974: 430, but not Gould, 1870) to
> somewhat north of the city of Campeche, S.E.
> Mexico (Vokes and Vokes, 1984: viii; 36; pl. 34,
> fig. 3), including the FL Keys (Mikkelsen and
> Bieler, 2008: 84-85). Puerto Rico (Warmke and
> Abbott, 1961: 162). Caribbean Central America
> (Mikkelsen and Bieler, 2008: 84-85; I cannot confirm).
>
> The above discordances in the limits of range for
> all these estuarine species may due at least in
> part to climatic conditions like drought (Andrews, 1971: 157). Comments??
>
> Abbott, R.T., 1974. American Seashells (Second
> Edition). Van Nostrand Rheinhold Co., New York.
> Pp. 1-663, 24 pl., numerous text figs.
> Andrews, J., 1971.  Sea shells of the Texas
> coast. Univ. Texas, Austin, xvii + pp. 3-298 incl. numerous text figs.
> Gould, A. A. [W. G. Binney, ed.], 1870. Report on
> the Invertebrata of Massachusetts second edition,
> comprising the Mollusca. Wright and Potter,
> Boston. vii + 1-524 + pls. XVI to XXVII with    facing plate explanations.
> Marshall, C., 2009. Personal communication [Conch-L], 6 Oct..
> Mikkelsen, P. M. and R. Bieler. 2008. Seashells
> of Southern Florida. Living marine mollusks of
> the Florida keys and adjacent regions. Bivalves.
> Princeton University Press, Princeton, NJ.      Pp. 1-503.
> Rosenberg, G., 2009. Malacolog 4.1.1: A Database
> of Western Atlantic Marine Mollusca. [WWW
> database (version 4.1.1)] URL http://www.malacolog.org/.
> Vokes, H.E. and E.H. Vokes, 1984 [“1983”].
> Distribution of shallow-water marine Mollusca,
> Yucatan Peninsula, Mexico. Mesoamerican
> Ecological Institute, Monograph 1, Middle
> American    Research Institute, Publication 54: i-viii + 1-183 incl. 50 pls.
> Warmke G.L. and R.T. Abbott, 1961. Caribbean
> Seashells. Livingstone Publishing Co., Narberth,
> PA, xx + pp. 1-348, incl. 44 pls.
>
> Harry
>
> At 09:58 AM 10/9/2009, you wrote:
>
>>Marlo, et. al.
>>
>>I have enjoyed this thread and would like to add
>>a comment on its presence in Texas.
>>Both species are locally common from Galveston
>>Bay south, but can be found eastward to Louisiana as well.
>>
>>G. granosissima Found at the base of the cord
>>grass Spartina spartinae at the waterline
>>I. recurvum  Found in clumps of oyster in our
>>bays, with Crassostrea virginica, but typically
>>not C. equestrus due to salinity factors.......
>>
>>Leslie Crnkovic
>

----------------------------------------------------------------------
[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.
----------------------------------------------------------------------