Sam Gon's A Guide to the Orders of Trilobites. An unparalleled, comprehensive, award winning site about trilobites!
The Gunther Family's site: Geo-Tools.com
Ruin Wash Trilobites, by Ben Poirier, an article in Fossil News.
Inyo-White Geology - a Botanist's view, by Tom Schweich
Fossils in Death Valley National Park. Many images of trilobites, including plates from: Trilobites figured in United States Geological Survey Professional Paper 1047, Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin by Allison R. Palmer and Robert B. Halley, issued in 1979.
Museum Classification and Phylogeny: Trilobita
Orders: Agnostida - Asaphida - Corynexochida - Harpetida
Lichida - Phacopida - Proetida - Ptychopariida - Redlichiida
Yahoo Trilobites Club - more than 500 members strong
The Western Interior Paleontological Society.
ry Dredgers, a club based out of Cincinnati, Ohio with a huge interest in fossils. The site includes images from Bill White's collection, as well as hundreds of other trilobite photographs and resources. A fantastic site, especially for trilobites and other fossils of Ohio and adjacent areas.
Useful information on Fake Trilobites
Tucson Fossil Show Information
Dr. Linda B. McCollum: Lower-Middle Cambrian Boundary Research, southern Great Basin and south China. Her extensive Pioche Shale faunal list. Linda works on the Pioche Shale and Spence Formation. If you know of any other species from these formations, or have additional specimens or information, please contact Dr. Linda McCollum at: Eastern WashingtonUniversity 130 ScienceBuilding Cheney, WA99004-2439USA, firstname.lastname@example.org
Dr. Brian D. E. Chatterton: Paleozoic fossils, especially trilobites, biogeography, biostratigraphy, heterochrony, ontogeny, systematics
Dr. Fred Sundberg: Fred has worked on Lower to lower Upper Cambrian assemblages from Nevada, Utah, California, and Arizona. If you know of any other species from these formations, or have additional specimens or information, please contact him at FredS@show-low.k12.az.us. Please check out his "WANTED POSTER"
Dr. Ben Waggoner: Ediacara biota and Cambrian radiation
Steve Westrop: Lower Paleozoic trilobites, extinctions, paleoecology, evolutionary paleontology, etc.
Nigel Hughes: Cambrian and Ordovician trilobites, Himalayas, morphometrics, paleobiology, etc.
Christina Lochman Balk: Cambrian-Ordovician trilobites, shallow marine carbonates, Paleozoic stratigraphy
Rolf Ludvigsen: DIRT (Denman Institute for Research on Trilobites)
Loren E. Babcock
Jack Mount Cambrian trilobites of California and Nevada
David Brezinski: Carboniferous stratigraphy and paleoecology, Appalachian geology, Late Paleozoic trilobites, Cambrian Appalchian trilobites
International Subcommission on Cambrian Stratigraphy
White Mountain Research Station: Dr. Clem Nelson, UCLA (including a digital archive of the Whyte-Inyo Mountain trilobites)
Mikko's Phylogeny Archive - Olenellina (hit the back arrow to see other trilobite groups).
The Paleontological Society (including the Journal of Paleontology and Paleobiology). A must for all serious paleontologists to suscribe!
Utah Geological Survey
Nevada Bureau of Mines and Geology
Utah Fossil Page, from the University of Utah, College of Mines and Earth Sciences
UCMP Berkeley's: Localities of the Cambrian: The Marble Mountains
UCMP Berkeley's: Localities of the Cambrian: The Whyte-Inyo Mountains
UCMP Berkeley's: Localities of the Cambrian: The House Range
UCMP Berkeley's: Localities of the Cambrian: The Burgess Shale
Index to Articles on Paleontology, Journal of the Arizona-Nevada Academy of Sciences
Burgess Shale literature at the Institut für Paläontologie der Universität Würzburg
Burgess Shale sites:
More Burgess Shale information, including images of fossils
Yoho National Park (Parks Canada)
The Yoho-Burgess Shale Research Foundation
Notes and photos from a trip by members of the CREWES organisation here at the University of Calgary
A few images at the Utah Fossil Page, from the University of Utah, College of Mines and Earth Sciences
Sam Gon's - The Anomalocaris Homepage
The Burgess Shale at UCMP Berkeley
Shale fossils. by Andrew MacRae, Univ. of Calgary
Burgess Shale Fossils and Cambrian Explosion at Virtual Museum
Journal of Paleontology (Paleontological Society)
Palaeontology (Palaeontological Association)
Geological Society of America
Canadian Journal of Earth Sciences
Paleobiology (Paleontological Society)
Treatise of Invertebrate Paleontology
Other Important sites:
The International Commission on Stratigraphy's International Stratigraphic chart (2003).
The GSA's Geological Timescale (1999)
Paleogeography of the Southwestern US. Images from a talk presented to the Annual Meeting of the Geological Society of America, Salt Lake City, Utah, Oct. 1997
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Selected Online Publications:
Corsetti, Frank & Hagadorn, James W. (2000) [PDF] Precambrian-Cambrian Transition: Death Valley, United States, Geology, April 2000, V. 28, No. 4, pp. 299-302
Eddy, Julie D. Middle Cambrian biostratigraphy and depositional environments of the Pioche Shale near Delamar, Nevada. Dept. of Geology, Eastern Washington University. Recent Masters Thesis. Web document (abstract)
Fletcher, T. P. & Collins, D. H. (1998) [PDF] The Middle Cambrian Burgess Shale and its relationship to the Stephen Formation in the southern Canadian Rocky Mountains. Canadian Journal of Earth Sciences 35: 413-436.
Fletcher, T. P. & Collins, D. H. (2003) [PDF] The Burgess Shale and associated Cambrian formations west of the Fossil Gully Fault Zone on Mount Stephen, British Columbia. Canadian Journal of Earth Sciences 40: 1823-1838.
Gaines, Robert R. (2002) Oxygen-controlled biofacies of the Middle Cambrian Wheeler Shale and eqivalents, eastern Basin and Range, GSA, Denver Annual Meeting, 2002, Session No. 184, Paper No. 184-2 (abstract)
Gaines, Robert R. & Droser, Mary L. (2003) [PDF] Paleoecology of the familiar trilobite Elrathia kingii: An early exaerobic zone inhabitant. Geology, Nov. 2003, Vol. 31, No. 11, pp. 941-944
Hagadorn, J. W., Fedo, C. M., and Waggoner, B. M. 2000. [PDF] Ediacara-type biotas from the Cambrian of the southwestern United States. Journal of Paleontology 74(4): 731-740.
Hagadorn, J. W. and Waggoner, B. M. 2000. [PDF] Ediacaran fossils from the southwestern Great Basin, United States. Journal of Paleontology 74(2): 349-359.
Hagadorn, J. W. and Waggoner, B. M. 2002. [PDF] The Early Cambrian problematic fossil Volborthella: New insights from the Basin and Range. In: Corsetti, F. (ed.) Proterozoic-Cambrian of the Western United States. Volume 93. Society of Economic Paleontologists and Mineralogists, Pacific Coast Section, Los Angeles. pp. 137-152.
Henderson, C. M. (2000) [PDF] Life and death in the Middle Cambrian: The Burgess Shale High School Research Project investigates the Mount Stephen Trilobite Beds. Web document. CSEG Conference 2000 abstract.
Henderson, C. M., Holmstrom, L., et al. (2001) [PDF] Hydrothermal seeps and trilobite reproduction in the Middle Cambrian: The Burgess Shale High School Research Project investigates the Mount Stephen Trilobite Beds. Web document. Rock the Foundation Convention, 2001, Canadian Society of Petrleum Geologists, Paper 105-1
Hollingsworth, J. Stewart (2003). Biostratigraphy of the Early Cambrian Montezuman Stage in western North America. GSA - Rocky Mountain 55th Annual Meeting, Durango, Ca., Paper No. 10-1 (abstract)
Hollingsworth, J. Stewart, McCollum, Michael B., McCollum, Linda B., and Fritz, W.H. (2002) Outer shelf to slope deposits of the Lower Cambrian Poleta Formation, western Great Basin, Nevada, GSA 2002 Denver Annual Meeting, Paper No. 61-25 (abstract)
Jell, P. M. and Adrain, J. M. (2002) [PDF] Available Generic Names for Trilobites. Memoirs of the Queensland Museum, 48(2), p. 331-553
Landing, Ed (1998): [PDF] Cambrian subdivisions and correlations: Introduction. Canadian Journal of Earth Sciences: 35, pp. 321-322
Langenberg, E. S. (2002) Geochemistry and Sequence Stratigraphy of the Middle Cambrian Wheeler Formation: Support for trilobite chronostratigraphy. GSA, Denver Annual Meeting, 2002, Session No. 184, Paper No. 184-11 (abstract)
Loch, James - Ordovician - Whiterock Narrows, Nevada - a series of [PDF] files. Another location
Loch, James. (2002) The Lower Ordovician trilobite fauna from the José Formation (El Paso Group) of southern New Mexico. GSA, Denver Annual Meeting, 2002, Session No. 9, Paper No. 9-5 (abstract)
MacNaughton, Robert B. A review of the evidence for trilobite predessors in the fossil record.
McCollum, Linda (2002) Just how complete is the sedimentary record at biomere extinctions? An example from the Lower-Middle Cambrian boundary in Laurentia. GSA, Denver Annual Meeting, 2002, Session No. 184, Paper No. 184-11 (abstract)
McCormick, Tim and Fortey, R. (2002) [PDF] The Ordovician Trilobite Carolinites, a test case for microevolution in a macrofossil lineage. Palaeontology, Vol. 4, Part 2, pp. 229-257
Montanez, Isabell, Nest, Danielle, Gragg, Kathyrn, McCollum, Linda, McCollum, Michael, and Osleger, David (2002) Carbon cycling perturbation through the Lower-Middle Cambrian boundary interval and olenelloid biomere extinction as revealed by d13CORG. GSA, Denver Annual Meeting, 2002, Session No. 184, Paper No. 184-1 (abstract)
Mount, Jack D. 1973. Early Cambrian Fauna of the Latham Shale, Southern California. Southern California Academy of Sciences, Annual Meeting, Abstracts of Program, p. 10. [full text]
Mount, Jack D. 1974. Biostratigraphy of the Lower Cambrian in Southeastern California. Geological Society of America Abstracts With Programs, vol. 6 (3), p. 224. [full text]
Mount, Jack D. 1974. Early Cambrian Articulate Brachiopods from the Marble Mountains, San Bernardino County, California. Bulletin of the Southern California Paleontological Society, vol. 6 (5), p. 47-52, 1 pl. [full text]
Mount, Jack D. 1980. Characteristics of Early Cambrian Faunas from Eastern San Bernardino County, California. Southern California Paleontological Society Special Publications, no. 2, p. 19-29, 33 figs. [full text]
Mount, Jack D. 1980.An Early Cambrian Fauna from the Carrara Formation, Emigrant Pass, Nopah Range, Inyo County, California: A Preliminary Note. Southern California Paleontological Society Special Publications, no. 2, p. 78-80, 1 fig. [full text]
Mount, Jack D. 1981. A New Articulate Brachiopod from the Lower Cambrian Latham Shale, Southeastern California. Bulletin of the Southern California Academy of Sciences, vol. 80 (1), p. 46-48, 2 figs. [full text]
Mount, Jack D. 1990. Index to Articles on Fossils Appearing in Arizona Highways, 1925-1990. Arizona Fossil Record, vol. 6 (9), December, p. 1-2. [full text]
Mount, Jack D. 1991. Index to Articles on Paleontology Appearing in the Journal of the Arizona-Nevada Academy of Sciences, 1959-1990. Arizona Fossil Record, vol. 7 (2), February, p. 1-6. [full text]
Mount, Jack D. 1991. Index to Articles on Paleontology Appearing in the Arizona Geological Society Digest, 1958-1990. Arizona Fossil Record, vol. 7 (7), September, p. 1-5. [full text]
Palmer, A. R. (1998) [PDF] A proposed nomenclature for stages and series of the Cambrian of Laurentia. Canadian Journal of Earth Sciences: 35 pp. 323-328
Palmer, Allison R. (1964) An Unusual Lower Cambrian Trilobite Fauna From Nevada. USGS Professional Paper 483-F Mirror site
Petrovich, Radomir (2001) [PDF] Mechanisms of fossilization of the soft-bodied and lightly armoured faunas of the Burgess Shale and of some other classical localities. American Journal of Science, Vol. 301, Oct., 2001, pp. 683-726
Ross, R. J. Jr., Hintze, L. F., Ethington, R. L, Miller, J. F., Taylor, M. E., and Repetski, J. E. (1997) [PDF] The Ibexian, Lowermost Series in the North American Ordovician. With a section on echinoderm biostratigraphy (by James Sprinkle and Thomas E. Guensburg). in Early Paleozoic Biochronology of the Great Basin, Western United States (ed. M. E. Taylor). USGS Professional Paper 1579
Sheehan, P. M. and Harris, M. T. (1997) [PDF] Upper Ordovician-Silurian Macrofossil Biostratigraphy of the eastern Great Basin, Utah and Nevada. in Early Paleozoic Biochronology of the Great Basin, Western United States (ed. M. E. Taylor). USGS Professional Paper 1579
Skovsted, Christian B. (2003) [PDF] The Early Cambrian fauna of North-East Greenland. Abstract Uppsala University, 22 pp.
Sundberg, F. A. [PDF] Carbonate interbeds as a key to the depositional environments in a mud-dominated setting of the Dunderberg Shale, Nopah Formation (Upper Cambrian), southern Great basin. (abstract)
Sweet, W. C. and Tolbert, C. M. (1997) [PDF] An Ibexian (Lower Ordovician) reference section in the southern Egan Range, Nevada, for a conodont-based chronostratigraphy. in Early Paleozoic Biochronology of the Great Basin, Western United States (ed. M. E. Taylor). USGS Professional Paper 1579
Terfelt, Fredrik [PDF] Upper Cambrian trilobite biostratigraphy and taphonomy at Kakeled on Kinnekulle, Vastergotland, Sweden, Acta Palaeontologica Polonica 48, 409-416
Tice, Lauren P., Myrow, Paul M., Taylor, John F., Ripperdan, Robert L., and Ethington, Raymond L. (2002) Stratigraphy and sedimentology of the Cambrian and Ordovician Gallitan Formation, Wyoming and Montana. GSA 2002 Denver Annual Meeting, Paper No. 61-26 (abstract)
Waggoner, B. M. 1998. [PDF] Interpreting the earliest metazoan fossils: what can we learn? American Zoologist 38(6): 975-982.
Waggoner, B. M. and Hagadorn, J. W. 2002. [PDF] Additional fossils from the latest Neoproterozoic of southern Nye County, Nevada. In: Corsetti, F. (ed.) Proterozoic-Cambrian of the Western United States. Volume 93. Society of Economic Paleontologists and Mineralogists, Pacific Coast Section, Los Angeles. pp. 87-96.
Westrop, Stephen, R. () The oldest Cambrian trilobites in the Avalon Terrain, Newfoundland: Stratigraphic, Environmental and Paleoecologic context (abstract)
Geological Atlas of the Western Canada Sedimentary Basin (Alberta Geological Survey). Both the digital and printed version of the "Atlas" fall under Canadian copyright law.
PDF Documents Gone Missing:
Fortey, R. A. (2001) Trilobite Systematics: The Last 75 Years. Journal of Paleontology 75(6), p. 1141-1151
Jell, P. M. (2003) Phylogeny of Early Cambrian trilobites. Special Papers in Palaeontology, 70, 2003, pp. 45-571