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Hello, I'm not much on the lit., but there's a good study by Cope MacClintock on Bellerophontid and Patelloid ultrastructure. It's Peabody Museum Bulletin #22, 1967: "Shell structure of P. and B. gastropods (Mollusca)." As of a few years ago, Cope was an assistant curator at the Peabody Museum and still had quite a few reprints available. There's some really nice x-sec. photos in it. Best of luck, Phil At 10:28 AM 7/13/01 -0700, you wrote: >Hello Paleonetters > >Tom Daniel and I want to take another stab at finite element analysis on >mollusk shells, and want to explore the advantages (and disadvantages) of >shell coiling from a purely structural/mechanical viewpoint. Our question >to the community is: where can we find literature on the shell shapes >(and especially shell ultrastructure and shell wall thicknesses) of early >monoplacophorans? Do such data exist? We need these parameters to >reconstruct our virtual shells. We also want to look at lineages that go >from straight to coiled shells in the early Cambrian. Any thoughts? > >Thanks, and pardon our ignorance. > > >Professor Peter D Ward >Dept of Geological Sciences >206-543-2962 ( Office ) >206-543-1190 ( Dept Office ) >206-543-3836 ( Shared Fax ) > > > > > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Phil Novack-Gottshall Department of Biology "... if a pattern of change is obvious on visual Duke University inspection, you don't need statistics, Box 90338 but if it is not, no number of probabilistic Durham, NC statistics will persuade the sceptic." 27708-0338 -- A. Hallam, 1998 (Pal.Assoc.Newsletter, p. 23) lab/office: BioSci Rm. 223 ph: (919) 660-7343 fax: (919) 660-7293 department ph#: (919) 660-7372 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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