I have never been able to successfully tell the two apart. The
descriptions and photos in the few popular works that mention both
species, eg. Poppe's European Seashells haven't helped when I tried.
Fortunately I haven't seen anybody yet say fabalis or mariae or any of
the other species complex names kicking around are found on this side
of the Atlantic. Yet.
On 7/26/14, Moshe Erlendur Okon <[log in to unmask]> wrote:
> Shalom Marlo,
> There is some confusion between *Littorina obtusata *(L., 1758) and* L.
> fabalis *(Turton, 1825). I need to check this further, but it could be
> that some of the shells in your presentation, especially the live specimen
> on page 3, are *fabalis*.
> Sincerely, Moshe Erlendur
>
>
> On Thu, Jul 24, 2014 at 11:41 AM, Marlo Krisberg <[log in to unmask]> wrote:
>
>>
>>
>> I want to thank those responding to my plea with shells and information.
>> I have concluded that the shell I presented as *N. hotessierianus *from
>> Miami indeed was not this taxon and may be an unnamed species. I will
>> present it again in the future. However, at this time I have replaced
>> that
>> presentation based upon material considered to be true *N.
>> hotessierianus*
>> .
>>
>>
>>
>> Nassarius hotessierianus (d’Orbigny, 1842)
>> <http://z14.invisionfree.com/Conchologist_Forum/index.php?showtopic=2819>
>>
>>
>>
>> I have also posted a presentation of Littorina obtusata (Linnaeus, 1758)
>> <http://z14.invisionfree.com/Conchologist_Forum/index.php?showtopic=2830>
>>
>>
>>
>>
>>
>> *Marlo*
>>
>> *From:* Conchologists List *On Behalf Of *Marlo Krisberg
>> *Sent:* Saturday, May 31, 2014
>> *To:* [log in to unmask]
>> *Subject:* [CONCH-L] N. hotessierianus revisited
>>
>>
>>
>> I was uncomfortable lumping my Miami specimens under this taxon, but with
>> my lack of comparative specimens and propensity to favor a high degree of
>> within species variability, I went ahead and did so. However, in
>> consideration of further study (and comments from Harry Lee, I’m inclined
>> to think I really need comparative material to firmly conclude that my
>> Miami specimens = Harry’s #532 (Lee. 2009. *Marine Shells of Northeast
>> Florida*) and that they do not = *N. hotessierianus* (d'Orbigny, 1842),
>> but represent an innominate taxon.
>>
>>
>>
>> So, I am making another plea to hear from those with specimens they
>> believe to be *N. hotessierianus* (d'Orbigny, 1842) for sale, trade or
>> loan; material from Florida waters especially.
>>
>>
>>
>> *[log in to unmask] <[log in to unmask]>*
>>
>> *From:* Marlo Krisberg
>> *Sent:* May 28, 2014
>> *Subject:* Nassarius hotessierianus (d'Orbigny, 1842)
>>
>>
>>
>> Here’s another taxon to compare to similar Florida Nassarius. I’ll make
>> another plea. Would like to hear from anyone with this taxon for sale,
>> trade or loan; particularly collected in Florida or the Gulf.
>>
>>
>>
>>
>>
>> Nassarius hotessierianus (d’Orbigny, 1842)
>> <http://z14.invisionfree.com/Conchologist_Forum/index.php?showtopic=2819>
>>
>>
>>
>>
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