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Science 27 July 2007:
Vol. 317. no. 5837, pp. 499 - 502
DOI: 10.1126/science.1142964


A Cambrian Peak in Morphological Variation Within Trilobite Species
Mark Webster

Supporting Online Material

This supplement contains:
Materials and Methods
SOM Text
Figs. S1 to S9
Tables S1 and S2
References

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Science. ISSN 0036-8075 (print), 1095-9203 (online)