one thing i would consider is size.....at one spot i go to (Castellow
Hammock) there are consistently some much larger specimens that i
would consider auricoma based on published accounts of that species
reaching a larger size, other 'normal' sized shells are plentiful
there too...   The fact that i go to many other similar places full of
snails that never get close to that size (all of which i presume are
provisoria) suggests there  could be something to the purported size
difference.

On 1/24/18, John Jacobs <[log in to unmask]> wrote:
> Hi all,
>
> I'm trying to understand the difference between the camaenid land snails
> Zachrysia provisoria and Z. auricoma.  My land snail references have not
> been helpful.  I have specimens of both (supposedly) from Florida.  But I
> can't see any significant difference in shell structure.
>
>
>
> As always, any help from the forum will be greatly appreciated.
>
>
>
> Thanks,
>
> John
>
>
>
> John and Cheryl Jacobs
>
> Seffner, FL
>
> [log in to unmask] <mailto:[log in to unmask]>
>
>
>
>
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