Ross,
In The Golden Guide "Seashells of North America" by R Tucker Abbott  both a
regular and a narrower, eelgrass form of Tectura testudinalis are
illustrated though Abbott gives the genus as Notoacmea, not Tectura. This
species seems to have a lot of variation both in colouration and shape.
 
Beth DeHaas
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P.S. Need any ice for your trees in Nova Scotia?
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> From: Harry G. Lee, MD <[log in to unmask]>
> To: [log in to unmask]
> Subject: Re: Eelgrass molluscan communities
> Date: Saturday, January 24, 1998 7:56 PM
>
> Dear Ross et al.,
>
> Lottia alveus (Conrad, 1831) may well be the limpet Ross has observed.
It
> is presently considered extinct in the Atlantic Ocean.  If we are talking
> about the same critter, we may have made an encouraging discovery and
again
> demonstrated the indispensability of amateur scientists in field biology.
>
> Harry
>
> At 07:12 PM 1/24/98 -0400, you wrote:
> >I have observed a similar occurance at a locality  in Nova Scotia, where
> >the presumably carniverous species Nucella lapillus L. often lives on
> >Zostera ("eelgrass"), along with several  herbivores such as Littorina
> >obtusa L., L. saxatilis Olivi, and an elongate form of  Tectura
> >testudinalis (Muller).  Presumably, it knows a free lunch when it sees
> >one!  Might Mr. Herbert's Eupleura also be part of a community of
> >organisms living on the seagrass, such as juvenile barnacles, which
> >often occur on Zostera as well?
> >
> Ross Mayhew
> >
> Harry G. Lee
> mailto:[log in to unmask]
> Suite 500, 1801 Barrs Street
> Jacksonville, FL  32204
> U. S. A.    904-384-6419
>
> oo  .--.  oo  .--.  oo  .--.
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