Dear Friends.

All of the books below have no mention of a sinistral cypraea.

Phyllis Diegel

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Subject: Re: fossil sinistral Cypraea from Florida ...


> John and other fossil cypraeid fans:
>
>        The best references for fossil cypraeids of the Florida Pliocene &
> Pleistocene (be they sinistral and/or dextral) are:
>
> Petuch, E.J. 1994. Atlas of Florida fossil shells (Pliocene and
> Pleistocene marine gastropods). The Graves Museum of Archaeology and
> Natural History: Sarasota, Florida. xii + 394 p., 20 figs., 100 pls.
>
> Petuch, E.J. 1997. Coastal paleoceanography of eastern North America
> (Miocene-Pleistocene). Kendall/Hunt Publishing Co.: Dubuque, Iowa. vii +
> 373 p., 120 figs.
>
> Petuch, E.J. 2004. Cenozoic Seas: The view from eastern North America.
> CRC Press: New York, NY. 308 p., 34 figs., 98 pls.
>
> Hope this information helps.
>
> Aloha,
>
> Lindsey Groves
> Nat. Hist. Mus. LA Co., Collection Manager Malacology
>
>
> ________________________________________
> From: Conchologists List [mailto:[log in to unmask]] On Behalf Of
> John Timmerman
> Sent: Thursday, January 05, 2006 2:47 PM
> To: [log in to unmask]
> Subject: Re: fossil sinistral Cypraea from Florida ...
>
> In a message dated 1/5/2006 3:08:36 PM Eastern Standard Time,
> [log in to unmask] writes:
> That's Siphocypraea problematica Heilprin, 1887
>
> Rather common here in Sarasota in the old shell pit (which has been mined
> out).
>
> Peggy
>
> On Jan 4, 2006, at 9:39 PM, Bob Dayle wrote:
>
>
> I was contacted by someone who found a sinistral fossil cowry in Florida.
> No
> more information than that, at present.
>
> As I recall, rather dimly, there were two or three species of cowry from
> days of
> old which coiled backward. Could one of our fossil cognoscenti further
> illuminate the situation of such shells so that I could pass it on to this
> person?
>
> Thanks and Aloha,
>
> Bob Dayle
>
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>
>          Peggy Williams: shell collecting trips
>         Visit my website: www.Shelltrips.com
>                              PO Box 575
>                       Tallevast FL 34270
>                          (941) 355-2291
>                  [log in to unmask]
>
>
> =
> I have always thought of that species as being dextral - at least the
> specimens I have are.
>
> I know there are several sinsitral cones as in other similarly aged
> deposits on the east coast USA but have never heard of a Cypraea like
> this.
>
> Would someone supply a reference where I can learn more about these
> Cypraea?
>
> John Timmerman
>
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