>It should be "sinistrum" NOT "sunistrum".
 
And Pliocene, not Miocene.  Many references still refer to the Yorktown,
Duplin, Pinecrest, and equivalent formations as Miocene, but they were
shown to be Pliocene in the early 1970's.  The high levels of molluscan
extinction here as opposed to in Europe fooled earlier workers into
thinking that these beds were older.
 
David Campbell
 
"Old Seashells"
 
Department of Geological Sciences
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