I am no expert on the small architectonicids, but I believe that Pseudotorinia architae is both smaller and a fair amount flatter (dorsally and ventrally) than Heliacus bisulcatus.

Susan


> On Mar 29, 2015, at 5:02 PM, [log in to unmask] wrote:
> 
> Hi Susan,
> 
> That's one book I'd like to have eventually.
> 
> I was just thinking about Pseudotorinia architae (the Atlantic version is illustrated at http://jaxshells.org/227dd.htm) and wanting to know the difference between it and Heliacus bisulcatus.
> 
> David Kirsh
> Durham, NC
> 
> 
> 
> -----Original Message-----
>> From: "Susan J. Hewitt" <[log in to unmask]>
>> Sent: Mar 29, 2015 4:30 PM
>> To: [log in to unmask]
>> Subject: [CONCH-L] Pseudotorinia architae, Architectonicidae
>> 
>> Does anyone have a copy of  Bieler R., 1993, "Architectonicidae of the Indo-Pacific (Mollusca, Gastropoda)". Abhandlungen des Naturwissenschaftlichen Vereins in Hamburg (NF) 30: 1-376 ?
>> 
>> And if so, does he call Pseudotorinia architae "an unresolved species complex"?
>> 
>> Thanks so much,
>> 
>> Susan
>> 
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