That would be a yes.

Harry


At 07:16 PM 11/18/2010, you wrote:
 >Dear Harry,
 >
 >So, A. karsteni and A. nobilis both survived in the Panamic region?
 >
 >David
 >-----Original Message-----
 >From: "Harry G. Lee"
 >Sent: Nov 18, 2010 7:32 AM
 >To: [log in to unmask]
 >Subject: [CONCH-L] Architectonica nobilis
 >
 >Dear Marlo, David, et al.,
 >
 >Architectonica karsteni and A. nobilis go back a=20
 >long way together and are clearly distinct=20
 >species. For around 15 million years they=20
 >coexisted on both sides of the present-day=20
 >isthmus of Panama (which runs east-west despite=20
 >our revisionist geographers' persistent=20
 >intimations). However, the former seems to have=20
 >died out in the Caribbean, and the also occurs in western Africa.
 >
 >"Architectonica" peracuta (Dall, 1889) [=3D "A."=20
 >discus (Philippi, 1844)] and "A." placentalis=20
 >(Hinds, 1844) belong in Discotectonica Marwick, 1931.
 >
 >Bieler, R., 1993. Architectonicidae of the=20
 >Indo-Pacific (Mollusca: Gastropoda). G. Fisher,=20
 >Stuttgart, pp. 1-377 incl. 286 figs., 3 pls.
 >
 >Harry
 >
 >
 >At 11:35 PM 11/17/2010, you wrote:
 >>Harry,
 >>
 >>I'm a little confused here. Abbott (1974) has=20
 >>Architectonica nobilis and A. peracuta as the=20
 >>west Atlantic congeners. Both Abbott and Keen=20
 >>said A. nobilis is found in the Panamic region=20
 >>as well. (They distinguished A. peracuta from the Panamic A. placentalis).
 >>
 >>Is A. karsteni now the recognized name for the=20
 >>Panamic cognate of A. nobilis? I found one at=20
 >>Catch 22 Beach, San Carlos, Sonora, Mexico.
 >>
 >>David Kirsh
 >>Durham, NC

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