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Subject:
Re: bulla
From:
Gary Rosenberg <[log in to unmask]>
Reply To:
Conchologists of America List <[log in to unmask]>
Date:
Wed, 10 Jun 1998 18:14:18 -0400
Content-Type:
text/plain
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text/plain (19 lines) 
Erato (a relative of Trivia) also has a bulla stage: the smallest Erato
species are mature at about 3 mm long. A bulla stage 1 mm length might be a
newly settled larval shell of a cypraeid, an ovulid or a triviid. What kind
of sculpture does it have?
 
>There are, however many Trivia species are are fully mature at 1mm!
 
Actually the smallest known trivia is Niveria atomaria from the Eastern
Pacific. Cate (1979) illustrates a specimen 2.9 mm long. An undescribed
triviid from the Andaman Sea in the collection here is 2.2 mm in length.
 
Gary
---------------------------------------------------------------------
Gary Rosenberg, Ph.D.                     [log in to unmask]
Malacology & Invertebrate Paleontology    gopher://erato.acnatsci.org
Academy of Natural Sciences               http://www.acnatsci.org
1900 Benjamin Franklin Parkway            Phone 215-299-1033
Philadelphia, PA 19103-1195 USA           Fax   215-299-1170

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