References
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- Budd , G. E. 2003 . The Cambrian fossil record and the origin of the phyla . Integrative and Comparative Biology , 43 : 157 – 165 .
- Gould , S. J. 1989 . Wonderful life: The Burgess Shale and the nature of history , New York : W. W. Norton .
- Rudwick , M. J. S. 1976 . The meaning of fossils: Episodes in the history of palaeontology , Chicago , IL : University of Chicago Press .
- Turner , D. 2007 . Making prehistory: Historical science and the scientific realism debate , Cambridge : Cambridge University Press .
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