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Diminovula-like Shells



 
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wei





Joined: 30 Jan 2009
Posts: 37

PostPosted: 29.07.2009, 19:00    Post subject: Diminovula-like Shells Reply with quote

Hi all.

Cate (1973) and Lorenz & Fehse (2009) discuss Diminovula alabaster. I have found typical shells here:


However, upon reinspection of the same lot, I chanced upon some interesting shells, which I would appreciate help with.

(A)This one seems to be an elongated variation of alabaster (6.3mm)


(B)This one appears Margovula-like, but could be alabaster sub-adults (4.9 & 8.6mm respectively):


(C) This one has shape and size that approaches D. coroniola shown on pl. 53, no. 6 of Lorenz & Fehse (2009) (12.5mm):


Thanks for your help in advance!
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Dirk




Gender: Gender:Male
Joined: 11 Feb 2009
Posts: 6

PostPosted: 31.07.2009, 07:14    Post subject: Diminovula like shells Reply with quote

Hello Wei,

specimen A and the right (8.6 mm) specimen B are D. whitworthi. Specimen C is assigned at the moment to D. alabaster. For the left (4.9 mm) specimen B I do not have any suggestions now (have no literature with me in the office).

Hope could help you a little bit.

Ciao, dirk
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felix
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Joined: 25 Jan 2009
Posts: 53

PostPosted: 31.07.2009, 10:34    Post subject: Reply with quote

..how about
B (left) bimaculata
B (right) aurantiomacula
C is a large alabaster (note the fine teeth and narrow aperture)
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wei





Joined: 30 Jan 2009
Posts: 37

PostPosted: 01.08.2009, 04:08    Post subject: Reply with quote

Thanks for all the suggestions.

B(left, 4.9mm) might be a little small for bimaculata.
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