Trilobites Reference Documents:

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Sundberg, F.A., 2004, Cladistic analysis of Early-Middle Cambrian Kochaspid trilobites (Ptychopariida) . Journal of Paleontology, v. 78(5), p. 920-940. (PDF - 223 kb)

Sundberg, F.A., 2000, Homeotic evolution in Cambrian trilobites. Paleobiology, v. 26(2), p. 258-270. (PDF - 325 kb)

Sundberg, F.A., 1996, Morphological diversification of Ptychopariida (Trilobita) from the Marjumiid Biomere (Middle and Upper Cambrian) . Paleobiology, v. 22, No. 1 (Winter, 1996) p. 49-65. (PDF - 2,149 kb)

Sundberg, F.A., and McCollum, L. B., 2003, Trilobites of the lower Middle Cambrian Poliella denticulata Biozone (new) of southeastern Nevada. Journal of Paleontology, v. 77, p. 331-359. (PDF - 3,429 kb)

Sundberg, F.A., and McCollum, L. B., 2003, Early and Mid Cambrian trilobites from the outer-shelf deposits of Nevada and California, USA . Palaeontology, v. 46, Part 5, p. 945-986. (PDF - 5277 kb)

Sundberg, F.A., and McCollum, L. B., 2002, Kochiella Poulsen, 1927, and Hadrocephalites new genus (Trilobita: Ptychopariida) from the early Middle Cambrian of western North America. Journal of Paleontology, v. 76, p. 76-94. (PDF - 2,119 kb)

Sundberg, F.A., and McCollum, L. B., 2000, Ptychopariid trilobites from the Lower-Middle Cambrian boundary interval, Pioche Shale, southeastern Nevada. Journal of Paleontology, v. 74, p. 604-630. (PDF - 657 kb)

Devereux, M.G., 2001. Palaeoecology of the Middle Cambrian Raymond Quarry Fauna, Burgess Shale, British Columbia.  M.Sc. thesis, Department of Earth Sciences (Geology), The University of Western Ontario. (PDF - 7915 kb)

Thanks to Matt Devereux for permission to post his thesis. The individual text, Excell, etc. files from this thesis are available upon request. Please contact Kevin for more information.

Acknowledgements:

     Many thanks to Dr. Linda McCollum, Dr. Fred Sundberg, and Matt Devereux for permission to post these articles!