Interesting! I did not see much tetragona in my life, so I though they 
were all tetragonal in cross-section.
Thank you for this confirmation.

Olivier Caro

Le 30/04/2015 19:05, jan steger a écrit :
> Dear Olivier,
> to me your scaphopod looks like Entalina tetragona.
> best regards,
> Jan
> *Gesendet:* Donnerstag, 30. April 2015 um 08:20 Uhr
> *Von:* "Olivier CARO" <[log in to unmask]>
> *An:* [log in to unmask]
> *Betreff:* [CONCH-L] A scaphopod from Sardinia
> Dear scapho specialists, here is one thing for you.
> http://www.idscaro.net/sci/03_myst/#med
> The scapho was labelled "Entalina tetragona" but I don't find any
> tetragon in the section, while all my tetragonas are very tetragonal.
> Any idea please?
>
>
> Olivier
>
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