Dear Helmut
I think this may just be a mistake as Ariophantidae is a separate family in
other publications from around this date and later (1989 onwards). I have
always regarded Ariophantidae as separate to Helixaroionidae.

Geoff


>From: Helmut Nisters <[log in to unmask]>
>Reply-To: Conchologists of America List <[log in to unmask]>
>To: [log in to unmask]
>Subject: Compendium of landshells by Tucker Abbott
>Date: Wed, 18 Jul 2001 13:35:00 +0200
>
>Dear Conchlers,
>
>could anybody using this compendium explain me
>something, as I don't understand it.
>In the picture part of this work there is under
>family Helicarionidae on page 127 named
>Helicarioninae (- inae for subfamily) and
>Ariophantinae (again - inae for subfamily), but in
>the systamtics just Ariophantinae is an own family
>itself. Ariophantidae. How could it happen. Is
>the part of systematics done later or better.
>with best shelling greetings waiting for answer
>under [log in to unmask]
>Helmut Nisters
>
>=====
>Helmut Nisters
>Franz-Fischer-Str. 46
>A-6020 Innsbruck / Austria
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