Amherst College Geology


Publications

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(* denotes student author)

Peer-Reviewed Journals and Books

Seilacher, A., and Hagadorn, J. W., in review, Early molluscan evolution: The trace fossil record: Geology, 24 ms pp.

Collette*, J. H., Getty*, P. R., Hagadorn, J. W., in review, An early Jurassic non-marine trace fossil assemblage from the Portland Formation, Hartford Basin, Massachusetts: Palaeontologia Electronica, 47 ms pp.

Young, G. A., and Hagadorn, J. W., in press, The Paleozoic record of cnidarian medusae: Fossil Cnidaria and Porifera, 20 ms pp.

Hagadorn, J. W., and Seilacher, A., in press, Hermits 500 million years ago?: Geology, 24 ms pp.

Getty*, P. R., and Hagadorn, J. W., in press, Palaeobiology of the Climactichnites trackmaker: Palaeontology, 87 ms pp.

Getty*, P. R., and Hagadorn, J. W., 2008, Reinterpretation of Climactichnites Logan 1860 to include subsurface burrows, and erection of Musculopodus for resting traces of the trackmaker: Journal of Paleontology, v. 82, p. 1161–1172.

Claeson*, K., and Hagadorn, J. W., 2008, The occipital region in the basal bony fish Erpetoichthys calabaricus (Actinopterygii: Cladistia): Journal of Fish Biology, v. 73, p. 1-8.

Claeson*, K. M., Lundberg, J. G., Luckenbill, K., Hagadorn, J. W., 2008, Anatomy of the very tiny: First description of the head skeleton of the rare South American catfish Sarcoglanis simplex (Siluriformes: Trichomycteridae): Palaeontologia Electronica, v. 11, p. 1-11.

Hagadorn, J. W., and Belt, E. S., 2008, Stranded in upstate New York: Cambrian medusae from the Potsdam Sandstone: Palaios, v. 23, p. 424-441.

Bottjer, D. J., and Hagadorn, J. W., 2007, Mat growth features: in Schieber, J., Bose, P. K., Ericksson, P. G., Banerjee, S., Sarkar, S., Altermann, W., and Catuneanu, O., eds., Atlas of microbial mat features preserved within the siliciclastic rock record: Elsevier, Amsterdam, p. 53-71.

Dornbos, S. Q., Noffke, N., and Hagadorn, J. W., 2007, Mat-decay features: in Schieber, J., Bose, P. K., Ericksson, P. G., Banerjee, S., Sarkar, S., Altermann, W., and Catuneanu, O., eds., Atlas of microbial mat features preserved within the siliciclastic rock record: Elsevier, Amsterdam, p. 106-110. 

Claeson*, K. M., Bemis, W. E., and Hagadorn, J. W., 2007, New Interpretations of the Skull of a Primitive Bony Fish Erpetoichthys calabaricus (Actinopterygii: Cladistia): Journal of Morphology, v. 268, p. 1021-1039.

Xiao, S., Hagadorn, J. W., Zhou, C., and Yuan, X., 2007, Rare helical spheroidal fossils from the Doushantuo Lagerstätte: Ediacaran animal embryos come of age?: Geology, v. 35, p. 115-118.

Corsetti, F. A., Stewart, J. H., and Hagadorn, J.W., 2007, Neoproterozoic diamictite-cap carbonate succession and d13C chemostratigraphy from eastern Sonora, Mexico: Chemical Geology, v. 237, p. 129-142.

Sour-Tovar, F., Hagadorn, J. W., Huitron-Rubio*, T., 2007, Ediacaran and Cambrian index fossils from Sonora, Mexico: Palaeontology, v. 50, p. 169-175.

Hagadorn, J. W., Xiao, S., Donoghue, P. C. J., Bengtson, S., Gostling, N. J., Pawlowska, M., Raff, E. C., Raff, R. A., Turner, F. R., Chongyu, Y., Zhou, C., Yuan, X., McFeely*, M. B., Stampanoni, M., Nealson, K. H., 2006, Integrated X-ray insights into cellular and subcellular structures of Neoproterozoic animal embryos: Science, v. 314, p. 291-294.

Waggoner, B.M., and Hagadorn, J.W. , 2005, Conical fossils from the Lower Cambrian of eastern California: PaleoBios, v. 25, p. 1-10.

Waggoner, B.M., and Hagadorn, J.W. , 2004, An unmineralized alga from the Lower Cambrian of California : Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen, v. 231, p. 67-83.

Peterson, K.J., Waggoner, B.M., and Hagadorn, J.W. , 2003, A fungal analog for Newfoundland Ediacaran fossils?: Integrative and Comparative Biology, v. 43, p. 127-136.

Corsetti, F. A., and Hagadorn, J.W., 2003, The Precambrian-Cambrian transition in the southern Great Basin, USA: The Sedimentary Record, p. 4-8.

Hagadorn, J.W., and Waggoner, B.M., 2002, The Early Cambrian problematic fossil Volborthella: New insights from the Basin and Range, in F. A. Corsetti, ed., Proterozoic-Cambrian of the Great Basin and Beyond, Pacific Section SEPM Book 93, p. 135-150.

Waggoner, B.M., and Hagadorn, J.W., 2002, New fossils from terminal Neoproterozoic strata of southern Nye County, Nevada: in F. A. Corsetti, ed., Proterozoic-Cambrian of the Great Basin and Beyond, Pacific Section SEPM Book 93, p. 87-96.

Hagadorn, J.W., Dott, R.H., and Damrow, D., 2002, Stranded on an Upper Cambrian shoreline: Medusae from Central Wisconsin: Geology, v. 30, p. 147-150.

Hagadorn, J.W., 2002, Chengjiang: Early record of the Cambrian explosion, in Bottjer, D.J., et al., eds., Exceptional Fossil Preservation: A Unique View on the Evolution of Marine Life: Columbia University Press, New York, p. 35-60.

Hagadorn, J.W., 2002, Burgess Shale: Cambrian explosion in full bloom, in Bottjer, D.J., et al., eds., Exceptional Fossil Preservation: A Unique View on the Evolution of Marine Life: Columbia University Press, New York, p. 61-89.

Hagadorn, J.W., 2002, Burgess Shale-type localities: The global picture, in Bottjer, D.J., et al., eds., Exceptional Fossil Preservation: A Unique View on the Evolution of Marine Life: Columbia University Press, New York, p. 91-116.

Hagadorn, J.W., 2002, Bear Gulch: An exceptional Upper Carboniferous plattenkalk, in Bottjer, D.J., et al., eds., Exceptional Fossil Preservation: A Unique View on the Evolution of Marine Life: Columbia University Press, New York, p. 167-183.

Hagadorn, J.W., Schellenberg, S.A., and Bottjer, D.J., 2000, Paleoecology of a large early Cambrian bioturbator: Lethaia, v. 33, p. 142-156.

Bottjer, D.J., Hagadorn, J.W., and Dornbos, S.Q, 2000, The Cambrian substrate revolution: GSA Today, v. 10, p. 1-7.

Hagadorn, J.W., Fedo, C.W., and Waggoner, B.M., 2000, Lower Cambrian Ediacaran fossils from the Great Basin, U.S.A.: Journal of Paleontology, v. 74, p. 731-740.

Kirschvink, J.L., and Hagadorn, J.W., 2000, A grand unified theory of biomineralization: in Bauerlein, E., ed., The biomineralization of nano- and micro-structures, Wiley-VCH Verlag GmbH, Weinheim, Germany, p. 139-149.

Corsetti, F.A., and Hagadorn, J.W., 2000, The Precambrian-Cambrian Transition: Death Valley, USA: Geology, v. 28, p. 299-302.

Chen, J.Y., Oliveri, P., Li, C., Zhou, G, Gao, F., Hagadorn, J.W., Peterson, K.J., and Davidson, E., 2000, Precambrian animal diversity: Putative phosphatized embryos from the Doushantuo Formation of China: Proceedings of the National Academy of Sciences, v. 97, p. 4457-4462.

Hagadorn, J.W., and Waggoner, B.M., 2000, Ediacaran fossils from the southwestern United States: Journal of Paleontology, v. 74, p. 349-359.

Hagadorn, J.W., and Bottjer, D.J., 1999, Restriction of a Characteristic Late Neoproterozoic Biotope: Suspect-Microbial Structures and Trace Fossils at the Vendian-Cambrian Transition: Palaios, v. 14, p. 73-85.

Hagadorn, J.W., and Bottjer, D.J., 1997, Wrinkle structures: Microbially mediated sedimentary structures common in subtidal siliciclastic settings at the Proterozoic- Phanerozoic transition: Geology, v. 25, p. 1047-1050.

Hagadorn, J.W., and Boyajian, G.E., 1997, Subtle changes in mature predator-prey systems: An example from Neogene Turritella (Gastropoda): Palaios, v. 12, p. 372-379.

Hagadorn, J.W., 1996, Laminated sediments of Santa Monica Basin, California Continental Borderland: in Kemp, A.E.S., ed., Palaeoclimatology and Palaeoceanography from Laminated Sediments, Geological Society Special Publication No. 116, p. 111-120.

Hagadorn, J.W., Stott, L.D., Sinha, A., and Rincon, M.,1995, Geochemical and sedimentologic variations in inter-annually laminated sediments from Santa Monica Basin: Marine Geology, v. 125, p. 111-131.

Hagadorn, J.W., Flocks, J.G., Stott, L.D., and Gorsline, D.S., 1993, Micro-sampling of sediment cores: A simple method to obtain high resolution historical sedimentary records: Journal of Sedimentary Petrology, v. 63, p. 755-758.

Editorial and Contributed Articles

Landing, E., Franzi, D. A., Hagadorn, J. W., Westrop, S. R., Kröger, B, Dawson, J. C., in press, Cambrian of East Laurentia: Field workshop in eastern New York and Vermont: New York State Museum, Bulletin 510, 157 ms pp.

MacNaughton, R.B., and Hagadorn, J.W., 2007, Report on plaster casts of arthropod-produced trace fossils (Protichnites) figured in W.E. Logan's Geology of Canada (1863), and recently copied from material in the Amherst College Museum of Natural History, Amherst, MA: Geological Survey of Canada, Fossil Report 001-RBM-2006, 12 p.

Bottjer, D. J., Etter, W., Hagadorn, J.W., and Tang, C.M., 2002, Fossil-lagerstatten: Jewels of the fossil record, in Bottjer, D.J., et al., eds., Exceptional Fossil Preservation: A Unique View on the Evolution of Marine Life: Columbia University Press, New York, p. 1-10.

Bottjer, D.J., Hagadorn, J.W., and Dornbos, S.Q., 2000, Another Cambrian substrate revolution: Reply: GSA Today, v. 10, p. 27.

Corsetti, F.A., and Hagadorn, J.W., 2000, Precambrian-Cambrian transition: Death Valley, United States: Comment and Reply: Geology, v. 28, p. 958-959.

Hagadorn, J.W. Pflüger, F., and Bottjer, D.J., 1999, Unexplored Microbial Worlds: Palaios, v. 14, p. 1-2.

Hagadorn, W., 1998, Paleontology in the 21st Century: Palaeontologia Electronica, v. 1, n.1, 10 p.

Bengtson, S., Hagadorn, J., Kaesler, R., and Rumford, J., 1997, Publications in Paleontology in the 21st Century, in Lane, H.R., Lipps, J., Steininger, F.F., and Ziegler, W., eds., International Senckenberg Conference. Paleontology in the 21st Century, Abstract-volume, p. 171-176.

Hagadorn, J.W., 1995, "Plastics. . .": PaleoNet Forum, v. 1, n. 3, 3 p.

Dissertation

Restriction of a late Neoproterozoic biotope: Ediacaran faunas, microbial structures, and trace fossils from the Proterozoic-Phanerozoic transition, Great Basin, U.S.A.: University of Southern California, Department of Geological Sciences, 1998, 198 p.

Abstracts (* denotes student author)

Hagadorn, James W., Morales*, A. B., and Klein*, B. Z., 2008, Cooped up in an Ediacaran shell: Why did Cloudina biomineralize?: Geological Society of America Abstracts with Programs, Cordilleran Section, v. 40, in press.

Young, G. A., and Hagadorn, J. W., 2007, The fossil record of cnidarian medusae: International Cnidaria Symposium, Tenth International Symposium on Fossil Cnidaria and Porifera, St. Petersburg, Russia, p 103-104.

Hagadorn, J. W., 2007, Cellular and subcellular structure of fossil animal embryos, Skyscan User Meeting, Brugge, Belgium, p. 25.

Gostling, N. J., Hagadorn, J. W., Xiao, S., Donoghue, P. C. J., Bengtson, S., Pawlowska*, M., Raff, E. C., Raff, R. A., Turner, F. R., Chongyu, Y., Zhou, C., Yuan, X., McFeely*, M. B., Stampanoni, M., Nealson, K. H., 2006, Cellular and subcellular structure of Neoproterozoic embryos: Palaeonotlogical Association, Annual Meeting Abstracts, p. 21.

Kirschvink, J. L., Elston, D. P., Petterson*, R., Hagadorn, J. W., Raub*, T. D., Evans, D. A. D.,
Rose*, E. C., Weiss, B. P., Barr, T. D., 2006, Rapid polar wander in North America during the Early Cambrian: Paleomagnetic and Magnetostratigraphic constraints from the Puerto Blanco Volcanics from Caborca, and the Tapeats Sandstone of the Grand Canyon: Eos Transactions, American Geophysical Union, v. 87, supplement to issue 52, p. 34A-06.

Hagadorn, J. W., and Belt, E.S., 2006, Stranded in upstate New York: Cambrian scyphomedusae from the Potsdam Sandstone: Geological Society of America Abstracts with Programs, v. 38, p. 478.

Rose*, E., and Hagadorn, J. W., 2006, Why the Sauk Transgression Is Not Just Another Type of Shoreline Advance: Geological Society of America Abstracts with Programs, v. 38, p. 477.

Getty*, P. R., and Hagadorn, J. W., 2006, Producing and preserving Climactichnites: Geological Society of America Abstracts with Programs, v. 38, p. 475.

Collette*, J. H., Getty*, P. R., and Hagadorn, J. W., 2006, An early Jurassic non-marine fossil assemblage from the Portland Formation, Hartford Basin, Massachusetts, Geological Society of America Abstracts with Programs, v. 38, p. 68.

Hagadorn, J. W., 2006, Quantitative analysis of cellular and subcellular structures of fossil animal embryos: Microphotonics Annual User Meeting, Abstracts, p. 4.

Sour-Tovar, F., Hagadorn, J. W., and *Huitron-Rubio, T., 2006, Nuevos fosiles del Ediacaranse-Cambrico Temprano del area de Caborca-Pitiquito, Sonora: Sociedad Mexicana de Paleontología, Annual Meeting Abstracts, in press.

Hagadorn, J. W., and Xiao, S., 2006, Quantitative Analysis of Cellular and Subcellular Structures of Neoproterozoic Animal Embryos: Absctacts, 2nd International Paleontological Conference, Beijng, p. 12-13.

Steiner, M., Hagadorn, J. W., Li, G., Zhu, M., 2006, Palaeoembryological revision of the life cycles of Early Cambrian Olivooides and related forms - an approach by microfocus X-ray tomography: Abstracts, 2nd International Paleontological Conference, Beijng, p. 14-15.

Claeson*, K. M., Lundberg, J. G., and Hagadorn, J. W., 2006, Anatomy of the very tiny: Tomographic insights into morphology of extinct and extant fishes: Journal of Vertebrate Paleontology, v. 26, (3) supplement, p. 19A.

Getty*, P., and Hagadorn, J. W., 2005, Small Climactichnites trackways: Their abundance and implications for trackmaker physiology: Geological Society of America Abstracts with Programs, v. 37, p. 486.

York*, A., Hagadorn, J. W., and Bernstein*, J., 2005, Upper Cambrian sand stromatolites of central Wisconsin: Geological Society of America Abstracts with Programs, v. 37, p. 444.

Bernstein*, J., and Hagadorn, J. W. , 2005, Sand stromatolites from the Upper Cambrian of Wisconsin: Howard Hughes Medical Institute Summer Science Research Symposium, poster.

Tarhan*, L., and Hagadorn, J. W. , 2005, Paleoecology of an unusually preserved set of Climactichnites wilsoni trackways from the Upper Cambrian of Central Wisconsin: Howard Hughes Medical Institute Summer Science Research Symposium, poster.

Hoxie*, C. T., and Hagadorn, J. W ., 2005, Late Cambrian arthropod trackways in subaerially exposed environments: Geological Society of America Abstracts with Programs, Northeastern Section, v. 37, p. 12.

McFeely*, M. B., and Hagadorn, J. W. , 2005, CT-scanning of phosphatized animal embryos of the Neoproterozoic Doushantuo Formation: A look inside: Geological Society of America Abstracts with Programs, Northeastern Section, v. 37, p. 13.

Yawar*, Z., and Hagadorn, J. W. , 2004, Late Cambrian jellyfish trace fossils of central Wisconsin: Howard Hughes Medical Institute Summer Science Research Symposium, poster.

Raddock*, K., and Hagadorn, J. W. , 2004, Waves and tides on an Upper Cambrian shoreline, central Wisconsin: Howard Hughes Medical Institute Summer Science Research Symposium, poster.

Taylor*, A. and Hagadorn, J. W. , 2004, First steps towards modeling a contaminant plume: Howard Hughes Medical Institute Summer Science Research Symposium, poster.

Buck*, M. M., and Hagadorn, J. W. , 2004, Beechers trilobite bed in the 21 st century: MicroCT analysis of an Ordovician lagerstatte: Five College Geology Undergraduate Research Symposium, poster.

Hagadorn, J.W. , and Buck*, M.M., 2004, Digital paleobiology and taphonomy of an Ordovician lagerstatte: Beecher's Trilobite Bed: Geological Society of America Abstracts with Programs, v. 36, p. 383.

Hagadorn, J.W ., Xiao, S., 2003, Insights into Neoproterozoic embryology: Palaeontology Newsletter, n. 54, p. 131-132.

Hagadorn, J.W. , Dott, R.H., Jr., and Damrow, D., 2003, Upper Cambrian medusae from Wisconsin: Geological Society of America Abstracts with Programs, v. 35, p. 106.

MacNaughton, R.B., Hagadorn, J.W. , and Dott, R.H., Jr., 2003, Did the Climactichnites organism leave the water? Palaeoecological insights from the Upper Cambrian of central Wisconsin: Canadian Paleontology Conference, Proceedings, Geological Association of Canada, No. 1, p. 26-27.

Hagadorn, J.W., MacNaughton, R.B., and Dalrymple, R.W., 2002, The Cambrian-Ordovician advent of intertidal bioturbation: Tidal flats before and after: Geological Society of America Abstracts with Programs, v. 34, p. 169-170.

Hagadorn, J.W., and Xiao, S., 2002, Inside ancient animal embryos and algae - computed tomographic analysis of Neoproterozoic multicellular eukaryotes: Geological Society of America Abstracts with Programs, v. 34, p. 217.

Fernald*, A.R., Leslie, S.A., Connelly, J.B., Waggoner, B.M., and Hagadorn, J.W., 2002, Caryocaris (Arthropoda, Phyllocarida) from the Mazarn Shale and its biostratigraphic potential: Geological Society of America Abstracts with Programs, v. 34, p. 358.

Bottjer, D.J., Dornbos, S.Q., Corsetti, F.A., and Hagadorn, J.W., 2002, Microbial mats and siliciclastic substrates: Implications for understanding early life on Earth and the search for life on Mars: Abstract. 16th International Sedimentological Congress, Rand Afrikaans University, Johannesburg, South Africa, p. 36.

Hagadorn, J.W., Whiteley, T., and Nealson, K.H., 2001, 3D imaging of pyritized soft tissues in Paleozoic konservat-lagerstútten: Geological Society of America Abstracts with Programs, v. 33, p. 430-431.

Bottjer, D.J., Dornbos, S.Q., and Hagadorn, J.W., 2001, Microbial mats and siliciclastic substrates: Interplay with evolving metazoans: Geological Society of America Abstracts with Programs, v. 33, p. 399.

Hagadorn, J.W., and Nealson, K.H., 2001, X-radiographic computed axial tomography of matrix-encased Neoproterozoic fossils: PaleoBios, v. 21, supplement, p. 60.

Hagadorn, J.W., and Nealson, K.H., 2001, X-radiographic computed axial tomography of Neoproterozoic fossils: Geological Association of Canada, Abstracts with Programs, v. 26, p. 57.

Hagadorn, J.W., and Nealson, K.H., 2001, X-radiographic computed axial tomography: New tool for astro/geo/paleobiology?: Journal of Conference Abstracts, European Union of Geosciences, v. 6, p. 777.

Hagadorn, J.W., and Corsetti, F.A., 2001, Terminal Neoproterozoic-Lower Cambrian Transition I: White-Inyo Mountains, CA: Geological Society of America Abstracts with Programs, Cordilleran Section, v. 33, 72.

Corsetti, F.A., and Hagadorn, J.W., 2001, Terminal Neoproterozoic-Lower Cambrian Transition II: White-Inyo Mountains, CA: Geological Society of America Abstracts with Programs, Cordilleran Section, v. 33, p. 72.

Corsetti, F.A., Stewart, J.H., and Hagadorn, J.W., 2001, Neoproterozoic diamictite-cap carbonate succession from eastern Sonora, Mexico: Geological Society of America Abstracts with Programs, Rocky Mountain Section, v. 33, p. 21.

Hagadorn, J.W., and Fedo, C.M., 2000, Terminal Neoproterozoic cloudiniids from southwestern North America: Geological Society of America Abstracts with Programs, v. 32, p. 300.

Wernicke, B., and Hagadorn, J.W., 2000, Possible Acraman impact source for supra-oolite sandstones in the Neoproterozoic Johnnie Formation, southwest Laurentia, and implications of global stratigraphic correlations: Geological Society of America Abstracts with Programs, v. 32, p. 385.

Hagadorn, J.W., Dott, R.H., and Damrow, D., 2000, Stranded on a Late Cambrian shoreline: Medusoids of the Mt. Simon Formation, Wisconsin: PaleoBios, v. 20, p. 4.

Hagadorn, J.W., Fritz, W.H., and Hollingsworth, J.S., 1999, Lower Cambrian conical fossil concentrations, southwestern Great Basin, USA: Geological Society of America Abstracts with Programs, v. 31, p. 362-363.

Bottjer, D.J., and Hagadorn, J.W., 1999, The Cambrian substrate revolution and evolutionary paleoecology of the Mollusca: Geological Society of America Abstracts with Programs, v. 31, p. 335.

Waggoner, B.M., and Hagadorn, J.W., 1999, Unusual Lower Cambrian fossils from the Latham Shale: What, if anything, is a Lagerstätten?: Geological Society of America Abstracts with Programs, Cordilleran Section, v. 31, p. 105.

Hagadorn, J.W., and Waggoner, B.M., 1998, Vendian-Cambrian faunas from the southwestern U.S.: Geological Society of America Abstracts with Programs, v. 30, p. 233.

Sobrero*, R.M., Hagadorn, J.W., and Myrow, P.M., 1998, Morphometric classification and analysis of wrinkle marks: Geological Society of America Abstracts with Programs, Rocky Mountain Section, v. 30, p. 36.

Waggoner, B.J., and Hagadorn, J.W., 1997, Ediacaran fossils from western North America: stratigraphic & paleogeographic implications: Geological Society of America Abstracts with Programs, v. 29, p. 30.

Hagadorn, J.W., and Bottjer, D.J., 1997, Microbial carpeting of ancient siliciclastic seafloors: Aid to preservation of early metazoan biosedimentary structures: Geological Society of America Abstracts with Programs, v. 29, p. 193.

Hagadorn, J.W., and Bottjer, D.J., 1996, Microbial Mats, Metazoans, and Grazing at the Proterozoic-Phanerozoic transition, North American Paleontological Convention VI, Paleontological Society Special Publication, p. 155.

Hagadorn, J.W., and Bottjer, D.J., 1996, Wrinkle-marks: Evidence for extensive development of microbial mats in subtidal siliciclastic settings at the Proterozoic-Phanerozoic transition: Geological Society of America Abstracts with Programs, v. 28, p. 406.

Hagadorn, J.W., and Bottjer, D.J., 1995, Early Paleozoic deep-sea faunas of the Great Basin, U.S.A.: Geological Society of America Abstracts with Programs, v.27, p. 270.

Hagadorn, J.W., and Bottjer, D.J., 1994, Colonization of early Phanerozoic proto-Pacific deepsea environments: Geological Society of America Abstracts with Programs, v. 26, p. 486-487.

Hagadorn, J.W., Pridgen, C.W., and Bottjer, D.J., 1994, Taphrhelminthopsis: Trace fossils of large soft-bodied early Metazoans from the Lower Cambrian Poleta Formation, White-Inyo Mountains, California: Geological Society of America Abstracts with Programs, Cordilleran Section, v. 26, p. 56.

Hagadorn, J.W., and Bottjer, D.J., 1993, Paleobiologic data collection: Outcrop-scale variability in Turritelline gastropods for the Gulf Coastal Plain: Geological Society of America Abstracts with Programs, v. 25 , p. 55-56.

Hagadorn, J.W., Stott, L.D., Sinha, A., and Rincon, M., 1993, A record of climatic and oceanographic variations in laminated sediments from Santa Monica Basin, California Continental Borderland: Geological Society of London Conference on Palaeoclimatology and Palaeoceanography from Laminated Sediments, Abstracts, p. 20.

Hagadorn, J.W., Stott, L.D., Sinha, A., and Rincon, M., 1992, Stable Isotopic and Spectral Analysis of Total Organic Carbon and Fossil Planktonic Foraminiferal Records Preserved in Laminated Sediments from Santa Monica Basin, California Continental Borderland: Eos, Transactions, American Geophysical Union, v. 73, p. 301.

Hagadorn, J.W., Stott, L.D., Sinha, A., Rincon, M., and Schimmelmann, A., 1992, A 150 year record of inter-annual climate variability and organic carbon burial in Santa Monica and Santa Barbara Basins: Geological Society of America Abstracts with Programs, v. 24, p. 223.

Hagadorn, J.W., and Boyajian, G.E., 1992, Changes in predatory behavior and efficiency: Gastropod drilling patterns in Miocene-Pliocene Turritella (Gastropoda), in Lidgard, S., and Crane, P.R., eds., Paleontological Society Special Publication No. 6, The Paleontological Society, Knoxville, Tennessee, p. 117.


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