Field DataDoes morphologic change in a sequence of fossils represent an evolutionary trend? This section of the module addresses this question by posting shell data for several genre of bivalves published by Kelley (1989) that is free to use and access. Below you will find the link to the raw data, which will download in an Excel worksheet. For a tutorial on how to graph and examine the data, click the link below.
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Last modified October 02 2008 04:36 PM