Paleonet: Question on skeleton formation

Steve C. Wang scwang at
Fri Oct 8 18:24:49 GMT 2010

Stergios Zarkogiannis wrote:
>Have you ever come across, from any personal research or from any reference,
>the percentages of organisms that calcify, silicify or produce chitinous
>skeletons? Intuitively I believe that calcification is the dominant
>process, then comes silicification and the rest is chitin but I do not
>have any reference or exact numbers. Was this always true or is it
>different from the past? I am interested in finding out about the
>preferred skeletization technique of today and if possible of the past, as

This doesn't directly answer your question, but may perhaps be of interest:

Porter, S. M. 2007. Seawater chemistry and early carbonate
biomineralization. Science 316:1302.

Steve C. Wang
Associate Professor of Statistics
Swarthmore College

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