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Conchologists of America List <[log in to unmask]>
Subject:
Entemnotrochus
From:
David Campbell <[log in to unmask]>
Date:
Tue, 12 Jan 1999 13:24:40 -0400
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Conchologists of America List <[log in to unmask]>
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>How many slit shells are currently known to man?
>Does anybody have a list of known species?
 
There are many fossil species of pleurotomarioids, ranging back to the
Paleozoic, and the family extends to the Triassic.  Including those in your
count will greatly increase the number of known species.
 
>Also, what species of slit shell belong to the sub-genus
>Entemnotrochus?
 
Cenozoic slit shells with a long slit (extending about halfway or more
around the shell) and an open umbilicus belong to Entemnotrochus.
Typically, they are proportionally tall with straight sides to the whorls.
 
 
David Campbell
 
"Old Seashells"
 
Department of Geosciences
CB 3315 Mitchell Hall
University of North Carolina at Chapel Hill
Chapel Hill NC 27599-3315
USA
 
919-962-0685
FAX 919-966-4519
 
"He had discovered an unknown bivalve, forming a new genus"-E. A. Poe, The
Gold Bug

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