DiMichele, William | Smithsonian National Museum of Natural History

Smithsonian National Museum of Natural History

Department / Division

Education

B.A., Drexel University
M.S., University of Illinois
Ph.D., University of Illinois

Research Interests

Paleoecology, morphology, and systematics of late Paleozoic plants (240-350 million years old), particularly the structure of late Paleozoic ecosystems and the relationship between long-term ecological and evolutionary patterns

Publications

DiMichele, William A., Donovan, Michael P., Schachat, Sandra R., Schneider, Joerg W., and Lucas, Spencer G. 2021. "Plant-Fossil Taphonomy, Late Pennsylvanian Kinney Quarry, New Mexico, USA." New Mexico Museum of Natural History and Science Bulletin 84:125– 151.
Donovan, Michael P., DiMichele, William A., Lucas, Spencer G., and Schneider, Joerg W. 2021. "Atlas of Selected Kinney Quarry Plant Fossils, Late Pennsylvanian, Central New Mexico." New Mexico Museum of Natural History and Science Bulletin 84:153– 183.
Koll, Rebecca A. and DiMichele, William A. 2021. "Dominance-diversity architecture of a mixed hygromorphic-to-xeromorphic flora from a botanically rich locality in western equatorial Pangea (lower Permian Emily Irish site, Texas, USA." Palaeogeography Palaeoclimatology Palaeoecology 563:110132– 110132. https://doi.org/10.1016/j.palaeo.2020.110132
Lucas, Spencer G. and DiMichele, William A. 2021. "The Kinney Brick Quarry Lagerstätte, Late Pennsylvanian of New Mexico, Usa: Introduction and Overview." New Mexico Museum of Natural History and Science Bulletin 84:1– 16.
Richey, Jon D., Montanez, Isabel P., White, Joseph D., DiMichele, William A., Matthaeus, William J., Poulsen, Christopher J., Macarewich, Sophia, I., and Looy, Cindy, V. 2021. "Modeled physiological mechanisms for observed changes in the late Paleozoic plant fossil record." Palaeogeography Palaeoclimatology Palaeoecology 562:110056– 110056. https://doi.org/10.1016/j.palaeo.2020.110056
DiMichele, William A., Bashforth, Arden R., Falcon-Lang, Howard J., and Lucas, Spencer G. 2020. "Uplands, lowlands, and climate: Taphonomic megabiases and the apparent rise of a xeromorphic, drought-tolerant flora during the Pennsylvanian-Permian transition." Palaeogeography Palaeoclimatology Palaeoecology 559:109965– 109965. https://doi.org/10.1016/j.palaeo.2020.109965
DiMichele, William A. and Bateman, Richard M. 2020. "Better together: Joint consideration of anatomy and morphology illuminates the architecture and life history of the Carboniferous arborescent lycopsid Paralycopodites." Journal of Systematics and Evolution https://doi.org/10.1111/jse.12662
Gastaldo, R. A., Bamford, M., Calder, J., DiMichele, William A., Ianuzzi, R., Jasper, A., Kerp, H., McLoughlin, S., Opluštil, S., Pfefferkorn, H. W., Roessler, R., and Wang, J. 2020. "The non-analog vegetation of the Late Paleozoic icehouse–hothouse and their coal-forming forested environments." in Nature Through Time, edited by Martinetto, E., Tschopp, E., and Gastaldo, R. A., 291– 316. Springer Nature Switzerland. https://doi.org/10.1007/978-3-030-35058-1_12
Gastaldo, R. A., Bamford, M., Calder, J., DiMichele, William A., Ianuzzi, R., Jasper, A., Kerp, H., McLoughlin, S., Opluštil, S., Pfefferkorn, H. W., Roessler, R., and Wang, J. 2020. "The Coal Farms of the Late Paleozoic." in Nature Through Time, edited by Martinetto, E., Tschopp, E., and Gastaldo, R. A., 317– 343. Springer Nature Switzerland. https://doi.org/10.1007/978-3-030-35058-1_13
Kvale, Erik P., Bowie, Christopher M., Flenthrope, Chris, Mace, Christopher, Parrish, Jessica M., Price, Buddy, Anderson, Sloan, and DiMichele, William A. 2020. "Facies variability within a mixed carbonate–siliciclastic sea-floor fan (upper Wolfcamp Formation, Permian, Delaware Basin, New Mexico)." AAPG Bulletin 104 (3):525– 563. https://doi.org/10.1306/06121917225

Nelson, W. John, Elrick, Scott D., DiMichele, William A., and Ames, Philip R. 2020. "Evolution of a PeatContemporaneous Channel: The Galatia Channel, Middle Pennsylvanian, of the Illinois Basin." Illinois State Geological Survey Circular 605:1– 85.
Richey, Jon D., Montanez, Isabel P., Godderis, Yves, Looy, Cindy, V., Griffis, Neil P., and DiMichele, William A. 2020. "Influence of temporally varying weatherability on CO2-climate coupling and ecosystem change in the late Paleozoic." Climate of the Past 16 (5):1759– 1775. https://doi.org/10.5194/cp-16-1759-2020
White, Joseph D., Montanez, Isabel P., Wilson, Jonathan P., Poulsen, Christopher J., McElwain, Jennifer C., DiMichele, William A., Hren, Michael T., Macarewich, Sophia, Richey, Jon D., and Matthaeus, William J. 2020. "A Process-Based Ecosystem Model (Paleo-Bgc) to Simulate the Dynamic Response of Late Carboniferous Plants to Elevated O-2 and Aridification." American Journal of Science 320 (7):547– 598. https://doi.org/10.2475/09.2020.01
Wilson, Jonathan P., White, Joseph D., Montañez, Isabel P., DiMichele, William A., McElwain, Jennifer C., Poulsen, Christopher J., and Hren, Michael T. 2020. "Carboniferous plant physiology breaks the mold." New Phytologist 227 (3):667– 679. https://doi.org/10.1111/nph.16460
DiMichele, William A., Hotton, Carol L., Looy, Cindy V., and Hook, Robert W. 2019. "Paleoecological and paleoenvironmental interpretation of three successive macrofloras and palynofloras from the Kola Switch locality, lower Permian (Archer City Formation, Bowie Group) of Clay County, Texas, USA." Paläontologische Zeitschrift 93 (3):423– 451. https://doi.org/10.1007/s12542-019-00485-8
Hetherington, Alexander J., DiMichele, William A., Lucas, Spencer G., and Voigt, Sebastian. 2019. "Tiny Rhizomorphic Rooting Systems from the Early Permian Abo Formation of New Mexico, USA." International journal of plant sciences 180 (6):504– 512. https://doi.org/10.1086/702759
Blomenkemper, Patrick, Kerp, Hans, Abu Hamad, Abdalla, DiMichele, William A., and Bomfleur, Benjamin. 2018. "A hidden cradle of plant evolution in Permian tropical lowlands." Science 362 (6421):1414– 1416. https://doi.org/10.1126/science.aau4061
Boyce, C. Kevin and DiMichele, William A. 2018. "Fast or slow for the arborescent lycopsids? Response to Thomas & Cleal (2017) 'Arborescent lycophyte growth in the late Carboniferous coal swamps'." New Phytologist 218 (3 (Special Issue)):891– 893. https://doi.org/10.1111/nph.15059
DiMichele, William A., Hook, Robert W., Kerp, Hans, Hotton, Carol L., Looy, Cindy V., and Chaney, Dan S. 2018. "Lower Permian flora of the Sanzenbacher Ranch, Clay County, Texas.." in Transformative Paleobotany: Papers to Commemorate the Life and Legacy of Thomas N. Taylor, 95– 126. Elsevier. https://doi.org/10.1016/B978-0-12-813012-4.00006-1
DiMichele, William A., Lucas, Spencer G., Chaney, Dan S., Donovan, Michael P., Kerp, Hans, Koll, Rebecca A., and Looy, Cindy V. 2018. "Early Permian Flora, Doña Ana Mountains, Southern New Mexico, with Special Consideration of Taxonomic Issues and Arthropod Damage." New Mexico Museum of Natural History and Science Bulletin 79:165– 205.
Falcon-Lang, Howard, John Nelson, W., Heckel, Philip H., DiMichele, William A., and Elrick, Scott D. 2018. "New insights on the stepwise collapse of the Carboniferous Coal Forests: Evidence from cyclothems and coniferopsid tree-stumps near the Desmoinesian-Missourian boundary in Peoria County, Illinois, USA." Palaeogeography palaeoclimatology palaeoecology 490:375– 392. https://doi.org/10.1016/j.palaeo.2017.11.015
Simon, Sharane S. T., Gibling, Martin R., DiMichele, William A., Chaney, Dan S., and Koll, Rebecca. 2018. "An exhumed fine‐grained meandering channel in the lower Permian Clear Fork Formation, north‐central Texas: Processes of mud accumulation and the role of vegetation in channel dynamics." International Association of Sedimentologists, Special Publication 48:149– 172.
DiMichele, William A., Chaney, Dan S., Lucas, Spencer G., Nelson, W. J., Elrick, Scott D., Falcon-Lang, Howard, and Kerp, Hans. 2017. "Middle and Late Pennsylvanian Fossil Floras from Socorro County, New Mexico, U.S.A." New Mexico Museum of Natural History and Science Bulletin 77:25– 99.
DiMichele, William A., Elrick, Scott D., and Nelson, W. John. 2017. "Vegetational zonation in a swamp forest, Middle Pennsylvanian, Illinois Basin, U.S.A., indicates niche differentiation in a wetland plant community." Palaeogeography palaeoclimatology palaeoecology 487:71– 92. https://doi.org/10.1016/j.palaeo.2017.08.020
DiMichele, William A. and Lucas, Spencer G. 2017. "The First Specimen of Annularia spinulosa Sternberg from the Lower Permian Abo Formation, New Mexico, and Implications for Rarity in the Plant Fossil Record." New Mexico Museum of Natural History and Science Bulletin 77:17– 23.
DiMichele, William A., Lucas, Spencer G., Looy, Cindy V., Kerp, Hans, and Chaney, Dan S. 2017. Plant Fossils from the Pennsylvanian–Permian Transition in Western Pangea, Abo Pass, New Mexico. Smithsonian Institution. https://doi.org/10.5479/si.1943-6688.99
Elrick, Scott D., Nelson, W. J., Ames, Philip R., and DiMichele, William A. 2017. "Floras characteristic of Late Pennsylvanian peat swamps arose in the late Middle Pennsylvanian." Stratigraphy 14 (1-4):123– 141. https://doi.org/10.29041/strat.14.1-4.123-141
Koll, Rebecca A., DiMichele, William A., and Manchester, Steven R. 2017. "Reevaluation and taxonomic clarification of Gigantopteridium and Cathaysiopteris of western equatorial Pangea and their biogeographical significance." Journal of Paleontology 91 (5):859– 870. https://doi.org/10.1017/jpa.2017.25
Lucas, Spencer G., Krainer, Karl, Allen, Bruce D., and DiMichele, William A. 2017. "Carboniferous-Permian Transition in Socorro County, New Mexico, USA: An Overview." New Mexico Museum of Natural History and Science Bulletin 77:1– 16.
Pfefferkorn, Hermann W., Gastaldo, Robert A., and DiMichele, William A. 2017. "Impact of an icehouse climate interval on tropical vegetation and plant evolution." Stratigraphy 14 (1-4):365– 376. https://doi.org/10.29041/strat.14.1-4.365-376
Wilson, Jonathan P., Montañez, Isabel P., White, Joseph D., DiMichele, William A., McElwain, Jennifer C., Poulsen, Christopher J., and Hren, Michael T. 2017. "Dynamic Carboniferous tropical forests: new views of plant function and potential for physiological forcing of climate." New Phytologist 215 (4):1333– 1353. https://doi.org/10.1111/nph.14700
Archer, Allen W., Elrick, Scott, Nelson, W. J., and DiMichele, William A. 2016. "Cataclysmic burial of Pennsylvanian Period coal swamps in the Illinois Basin." in Contributions to Modern and Ancient Tidal Sedimentology, edited by Tessier, Bernadette and Reynaud, Jean-Yves., 217– 231. John Wiley & Sons, Ltd. https://doi.org/10.1002/9781119218395.ch12
Bashforth, Arden R., DiMichele, William A., Eble, Cortland F., and Nelson, W. J. 2016. "Dryland vegetation from the Middle Pennsylvanian of Indiana (Illinois Basin): the dryland biome in glacioeustatic, paleobiogeographic, and paleoecologic context." Journal of Paleontology 90 (05):785– 814. https://doi.org/10.1017/jpa.2016.25
Bashforth, Arden R., DiMichele, William A., Eble, Cortland F., and Nelson, W. J. 2016. "A Middle Pennsylvanian macrofloral assemblage from wetland deposits in Indiana (Illinois Basin): a taxonomic contribution with biostratigraphic, paleobiogeographic, and paleoecologic implications." Journal of Paleontology 90 (04):589– 631. https://doi.org/10.1017/jpa.2015.69
Baumgardner, Robert W., DiMichele, William A., and de, Siqueira Vieira. 2016. "An early Permian coastal flora dominated by Germaropteris martinsii from basinal sediments in the Midland Basin, West Texas." Palaeogeography palaeoclimatology palaeoecology 459:409– 422. https://doi.org/10.1016/j.palaeo.2016.07.024
Boyce, C. K. and DiMichele, William A. 2016. "Arborescent lycopsid productivity and lifespan: Constraining the possibilities." Review of palaeobotany and palynology 227:97– 110. https://doi.org/10.1016/j.revpalbo.2015.10.007
DiMichele, William A., Bashforth, Arden R., Eble, Cortland F., and Nelson, W. J. 2016. "A Middle Pennsylvanian (early Asturian) tropical dry forest, Atokan-Desmoinesian boundary, Illinois Basin, USA." Spanish Journal of Palaeontology 31 (1):41– 84.
DiMichele, William A., Schneider, Joerg W., Lucas, Spencer G., Eble, Cortland F., Falcon-Lang, Howard, Looy, Cindy V., Nelson, W. J., Elrick, Scott D., and Chaney, Dan S. 2016. "Megaflora and palynoflora associated with a Late Pennsylvanian coal bed (Bursum Formation, Carrizo Arroyo, New Mexico, U.S.A.) and paleoenvironmental significance." New Mexico Geological Society Field Conference Guidebook 67:351– 368.
Lyons, S. Kathleen, Amatangelo, Kathryn L., Behrensmeyer, Anna K., Bercovici, Antoine, Blois, Jessica L., Davis, Matt, DiMichele, William A., Du, Andrew, Eronen, Jussi T., Faith, J. Tyler, Graves, Gary R., Jud, Nathan, Labandeira, Conrad C., Looy, Cindy V., McGill, Brian, Miller, Joshua H., Patterson, David, Pineda-Munoz, Silvia, Potts, Richard, Riddle, Brett, Terry, Rebecca, Tóth, Anikó, Ulrich, Werner, Villaseñor, Amelia, Wing, Scott L. et al. 2016. "Holocene shifts in the assembly of plant and animal communities implicate human impacts." Nature (529): 80– 83. https://doi.org/10.1038/nature16447
Lyons, S. Kathleen, Miller, Joshua H., Amatange, Kathryn L., Behrensmeyer, Anna K., Bercovici, Antoine, Blois, Jessica L., Davis, Matt, DiMichele, William A., Du, Andrew, Eronen, Jussi T., Faith, J. T., Graves, Gary R., Jud, Nathan, Labandeira, Conrad C., Looy, Cindy V., McGill, Brian, Patterson, David, Pineda-Munoz, Silvia, Potts, Richard, Riddle, Brett, Terry, Rebecca, Tóth, Anikó, Ulrich, Werner, Villaseñor, Amelia, Wing, Scott L. et al. 2016. "Lyons et al. reply." Nature 538 (7626):E3– E4. https://doi.org/10.1038/nature20097
Lyons, S. Kathleen, Miller, Joshua H., Tóth, Anikó, Amatangelo, Kathryn L., Behrensmeyer, Anna K., Bercovici, Antoine, Blois, Jessica L., Davis, Matt, DiMichele, William A., Du, Andrew, Eronen, Jussi T., Faith, J. T., Graves, Gary R., Jud, Nathan, Labandeira, Conrad C., Looy, Cindy V., McGill, Brian, Patterson, David, Pineda-Munoz, Silvia, Potts, Richard, Riddle, Brett, Terry, Rebecca, Ulrich, Werner, Villaseñor, Amelia, Wing, Scott L. et al. 2016. "Questioning Holocene community shifts Reply." Nature 537 (7618):E5– E6. https://doi.org/10.1038/nature19111
Montañez, Isabel P., McElwain, Jennifer C., Poulsen, Christopher J., White, Joseph D., DiMichele, William A., Wilson, Jonathan P., Griggs, Galen, and Hren, Michael T. 2016. "Climate, pCO2 and terrestrial carbon cycle linkages during late Palaeozoic glacial-interglacial cycles." Nature Geoscience 9 (11):824– 828. https://doi.org/10.1038/ngeo2822
Nelsen, Matthew P., DiMichele, William A., Peters, Shanan E., and Boyce, C. K. 2016. "Delayed fungal evolution did not cause the Paleozoic peak in coal production." Proceedings of the National Academy of Sciences of the United States of America 113 (9):2442– 2447. https://doi.org/10.1073/pnas.1517943113
Simon, Sharane S. T., Gibling, Martin R., DiMichele, William A., Chaney, Dan S., Looy, Cindy V., and Tabor, Neil J. 2016. "An Abandoned-Channel Fill With Exquisitely Preserved Plants In Redbeds of the clear Fork Formation, Texas, USA: An Early Permian Water-Dependent Habitat On the Arid Plains of Pangea." Journal of Sedimentary Research 86 (8):944– 964. https://doi.org/10.2110/jsr.2016.60
DiMichele, William A. 2015. "A compositionally unique voltzian conifer-callipterid flora from a carbonate-filled channel, Lower Permian, Robledo Mountains, New Mexico, and its broader significance." New Mexico Museum of Natural History and Science Bulletin 65:123– 128.
DiMichele, William A., Lucas, Spencer G., Looy, Cindy V., Chaney, Dan S., and Voigt, Sebastian. 2015. "Early Permian Fossil Floras from the Red Beds of Prehistoric Trackways National Monument, Southern New Mexico." New Mexico Museum of Natural History and Science Bulletin 65:129– 140.
Falcon-Lang, Howard, Lucas, Spencer G., Kerp, Hans, Krainer, Karl, Montañez, Isabel P., Vachard, Daniel, Chaney, Dan S., Elrick, Scott D., Contreras, Dori L., Kurzawe, Francine, DiMichele, William A., and Looy, Cindy V. 2015. "Early Permian (Asselian) vegetation from a seasonally dry coast in western equatorial Pangea: Paleoecology and evolutionary significance." Palaeogeography palaeoclimatology palaeoecology 433:158– 173. https://doi.org/10.1016/j.palaeo.2015.05.010
Lucas, Spencer G. and DiMichele, William A. 2015. "Carboniferous-Permian Transition in the Robledo Mountains, Southern New Mexico: An Overview." New Mexico Museum of Natural History and Science Bulletin 65:1– 8.
Lucas, Spencer G., Krainer, Karl, DiMichele, William A., Voigt, Sebastian, Berman, David S., Henrici, Amy C., Tanner, Lawrence H., Chaney, Dan S., Elrick, Scott D., Nelson, W. John, and Rinehart, Larry F. 2015. "Lithostratigraphy, biostratigraphy and sedimentology of the Upper Paleozoic Sangre De Cristo Formation, southwestern San Miguel County, New Mexico." in New Mexico Geological Society, 66th Annual Field Conference, 2015, edited by Lindline, Jennifer, Petronis, Michael, and Zebrowski, Joseph P., 211– 228. New Mexico Geological Society.
Lucas, Spencer G., Krainer, Karl, DiMichele, William A., Voigt, Sebastian, Berman, David, Henrici, Amy C., Tanner, Lawrence H., Chaney, Dan S., Elrick, Scott D., Nelson, W. J., and Rinehart, Larry F. 2015. "The Upper Paleozoic Sangre de Cristo Formation, Southwestern San Miguel County, New Mexico: Stratigraphy, Age and Sedimentology." New Mexico Geological Society Annual Spring Meeting 37.
Lucas, Spencer G., Krainer, Karl, Vachard, Daniel, Voigt, Sebastian, DiMichele, William A., Berman, David S., Henrici, Amy C., Schneider, Joerg W., and Barrick, James E. 2015. "Progress Report on Correlation of Nonmarine and Marine Lower Permian Strata, New Mexico, USA." Permophiles (61): 10– 17.
Rinehart, Larry F., Lucas, Spencer G., Tanner, Lawrence, John Nelson, W., Elrick, Scott D., Chaney, Dan S., and DiMichele, William A. 2015. "Plant architecture and spatial structure of an early Permian woodland buried by flood waters, Sangre de Cristo Formation, New Mexico." Palaeogeography palaeoclimatology palaeoecology 424:91– 110. https://doi.org/10.1016/j.palaeo.2015.02.018
Wilson, Jonathan P., White, Joseph D., DiMichele, William A., Hren, Michael T., Poulsen, Christopher J., McElwain, Jennifer C., and Montañez, Isabel P. 2015. "Reconstructing extinct plant water use for understanding vegetation-climate feedbacks: methods, synthesis and a case study using the Paleozoic era medullosan seed ferns." Paleontological Society Papers 21:167– 195. https://doi.org/10.1017/S1089332600003004
Cecil, C. Blaine, DiMichele, William A., and Elrick, Scott D. 2014. "Middle and Late Pennsylvanian cyclothems, American Midcontinent: Ice-age environmental changes and terrestrial biotic dynamics." Comptes Rendus Geoscience 346 (7-8):159– 168. https://doi.org/10.1016/j.crte.2014.03.008
DiMichele, William A. 2014. "Wetland-Dryland Vegetational Dynamics in the Pennsylvanian Ice Age Tropics." International Journal of Plant Sciences 175 (2):123– 164. https://doi.org/10.1086/675235
DiMichele, William A., Cecil, C. B., Chaney, Dan S., Elrick, S. D., and Nelson, W. J. 2014. "Fossil floras from the Pennsylvanian-Permian Cutler Group of southeastern Utah." in Geology of Utah's Far South, 491– 504.
Gibling, M. R., Davies, N. S., Falcon-Lang, H., Bashforth, Arden R., DiMichele, William A., Rygel, M. C., and Ielpi, A. 2014. "Palaeozoic co-evolution of rivers and vegetation: a synthesis of current knowledge." Proceedings of the Geologists' Association 125 (5-6):524– 533. https://doi.org/10.1016/j.pgeola.2013.12.003
Looy, Cindy V., Kerp, Hans, Duijnstee, Ivo A. P., and DiMichele, William A. 2014. "The late Paleozoic ecological-evolutionary laboratory, a land-plant fossil record perspective." The Sedimentary Record 12 (4):4– 10.
Lucas, Spencer G., Lerner, Allan J., DiMichele, William A., Cantrell, Amanda K., Suazo, Thomas L., and Chaney, Dan S. 2014. "Xiphosurid fossils from the Pennsylvanian Beeman formation, Otero County, New Mexico." in New Mexico Geological Society Guidebook, 65th Field Conference, Geology of the Sacramento Mountains Region, 311– 314. New Mexico Geological Society, Inc..
Moore, Lillien C., Wittry, Jack, and DiMichele, William A. 2014. "The Okmulgee, Oklahoma fossil flora, a Mazon Creek equivalent: Spatial conservatism in the composition of Middle Pennsylvanian wetland vegetation over 1100 km." Review of Palaeobotany and Palynology 200:24– 52. https://doi.org/10.1016/j.revpalbo.2013.08.002
DiMichele, William A., Chaney, Dan S., Lucas, Spencer G., Kerp, Hans, and Voigt, Sebastian. 2013. "Flora of the Lower Permian Abo Formation redbeds, western equatorial Pangea, New Mexico." New Mexico Museum of Natural History and Science Bulletin 59:265– 288.
DiMichele, William A., Elrick, Scott D., and Bateman, Richard M. 2013. "Growth habit of the late Paleozoic rhizomorphic tree-lycopsid family Diaphorodendraceae: Phylogenetic, evolutionary, and paleoecological significance." American Journal of Botany 100 (8):1604– 1625. https://doi.org/10.3732/ajb.1200623
DiMichele, William A., Kerp, Hans, Sirmons, Roberta, Fedorko, Nick, Skema, Viktoras, Blake, Bascombe M., Jr., and Cecil, C. B. 2013. "Callipterid peltasperms of the Dunkard Group, Central Appalachian Basin." International Journal of Coal Geology 119:56– 78. https://doi.org/10.1016/j.coal.2013.07.025
DiMichele, William A., Wagner, Robert H., Bashforth, Arden R., and Álvarez-Vázquez, Carmen. 2013. "An update on the flora of the Kinney Quarry of Central New Mexico (Upper Pennsylvanian), its preservational and environmental significance." New Mexico Museum of Natural History and Science Bulletin 59:289– 325.
Lucas, Spencer G., Krainer, Karl, Chaney, Dan S., DiMichele, William A., Voigt, Sebastian, Berman, David S., and Henrici, Amy C. 2013. "The Lower Permian Abo Formation in Central New Mexico." New Mexico Museum of Natural History and Science Bulletin 59:161– 180.
Lucas, Spencer G., Nelson, W. J., DiMichele, William A., Krainer, Karl, Barrick, James E., Voigt, Sebastian, Chaney, Dan S., Elrick, Scott, and Spielmann, Justin A. 2013. "Field guide to the Carboniferous-Permian transition in the Cerros de Amado and vicinity, Socorro County, Central New Mexico." New Mexico Museum of Natural History and Science Bulletin 59:39– 76.
O'Keefe, Jennifer M. K., Bechtel, Achim, Christanis, Kimon, Dai, Shifeng, DiMichele, William A., Eble, Cortland F., Esterle, Joan S., Mastalerz, Maria, Raymond, Anne L., Valentim, Bruno V., Wagner, Nicola J., Ward, Colin R., and Hower, James C. 2013. "On the fundamental difference between coal rank and coal type." International Journal of Coal Geology 118:58– 87. https://doi.org/10.1016/j.coal.2013.08.007
Stull, Gregory W., Labandeira, Conrad C., DiMichele, William A., and Chaney, Dan S. 2013. "The “Seeds” on Padgettia readi are Insect Galls: Reassignment of the Plant to Odontopteris, the Gall to Ovofoligallites N. Gen., and the Evolutionary Implications Thereof." Journal of Paleontology 87 (2):217– 231. https://doi.org/10.1666/12-063R.1
Tabor, Neil J., DiMichele, William A., Montañez, Isabel P., and Chaney, Dan S. 2013. "Late Paleozoic continental warming of a cold tropical basin and floristic change in western Pangea." International Journal of Coal Geology 119:177– 186. https://doi.org/10.1016/j.coal.2013.07.009
Tabor, Neil J., Romanchock, Charles M., Looy, Cynthia V., Hotton, Carol L., DiMichele, William A., and Chaney, Dan S. 2013. "Conservatism of Late Pennsylvanian vegetational patterns during short-term cyclic and long-term directional environmental change, western equatorial Pangea." Geological Society, London, Special Publications 376:201– 234. https://doi.org/10.1144/SP376.14
Bashforth, Arden R. and DiMichele, William A. 2012. "Permian Coal Forest Offers a Glimpse of Late Paleozoic Ecology." Proceedings of the National Academy of Sciences of the United States of America 109 (13):4717– 4718. https://doi.org/10.1073/pnas.1203261109
DiMichele, William A. and Falcon-Lang, Howard. 2012. "Calamitalean "pith casts" reconsidered." Review of Palaeobotany and Palynology 173:https://doi.org/10.1016/j.revpalbo.2012.01.011
DiMichele, William A., Lucas, Spencer G., and Krainer, Karl. 2012. "Vertebrate Trackways Among a Stand of Supaia White Plants on An Early Permian Floodplain, New Mexico." Journal of Paleontology 86 (4):584– 594. https://doi.org/10.1666/11-137R.1
Horton, Daniel E., Poulsen, Christopher J., Montañez, Isabel P., and DiMichele, William A. 2012. "Eccentricity-paced late Paleozoic climate change." Palaeogeography palaeoclimatology palaeoecology 331-332:150– 161. https://doi.org/10.1016/j.palaeo.2012.03.014
Lucas, S. G., Krainer, K., Chaney, Dan S., DiMichele, William A., Voigt, S., Berman, D. S., and Henrici, A. C. 2012. "The Lower Permian Abo Formation in the Fra Cristobal and Caballo Mountains, Sierra County, New Mexico." in Geology of the Warm Springs Region: New Mexico Geological Society 63rd Annual Field Conference Guidebook, edited by Lucas, S. G., McLemore, V. T., Lueth, V. W., Spielmann, J. A., and Krainer, K., 345– 376. New Mexico Geological Society.
Lucas, Spencer G., Harris, Susan K., Spielmann, Justin A., Berman, David S., Henrici, Amy C., Krainer, Karl, Rinehart, Larry F., DiMichele, William A., Chaney, Dan S., and Kerp, Hans. 2012. "Lithostratigraphy, Paleontology, Biostratigraphy, and Age of the Upper Paleozoic Abo Formation Near Jemez Springs, Northern New Mexico, Usa." Annals of Carnegie Museum 80 (4):323– 350. https://doi.org/10.2992/007.080.0403
Stull, Gregory W., DiMichele, William A., Falcon-Lang, Howard, Nelson, W. John, and Elrick, Scott. 2012. "Palaeoecology of Macroneuropteris scheuchzeri, and its implications for resolving the paradox of 'xeromorphic' plants in Pennsylvanian wetlands." Palaeogeography palaeoclimatology palaeoecology 331-332:162– 176. https://doi.org/10.1016/j.palaeo.2012.03.019
Cecil, C. B., DiMichele, William A., Fedorko, Nick, and Skema, Viktoras. 2011. "Autocyclic and allocyclic controls on the origin of the Dunkard Group." in Geology of the Pennsylvanian-Permian in the Dunkard Basin. Guidebook for the 76th Annual Field Conference of Pennsylvania Geologists, edited by Harper, John A., 26– 45. Field Conference of Pennsylvania Geologists, Inc.
DiMichele, William A., Blake, Bascomb M., Cecil, C. B., Fedorko, Nick, Kerp, Hans, and Skema, Viktoras. 2011. "Callipterids of the Dunkard Group of the Appalachian Basin: Their identity and paleoenvironmental significance." in Geology of the Pennsylvanian-Permian in the Dunkard Basin. Guidebook for the 76th Annual Field Conference of Pennsylvania Geologists, edited by Harper, John A., 144– 167. Field Conference of Pennsylvania Geologists, Inc..
DiMichele, William A., Cecil, C. B., Chaney, Dan S., Elrick, Scott D., Lucas, Spencer G., Lupia, Richard, Nelson, W. J., and Tabor, Neil J. 2011. "Pennsylvanian-Permian vegetational changes in tropical Euramerica." in Geology of the Pennsylvanian-Permian in the Dunkard Basin. Guidebook for the 76th Annual Field Conference of Pennsylvania Geologists, edited by Harper, John A., 60– 102. Field Conference of Pennsylvania Geologists, Inc..
DiMichele, William A. and Falcon-Lang, Howard J. 2011. "Pennsylvanian 'fossil forests' in growth position (T⁰ assemblages): origin, taphonomic bias and palaeoecological insights." Journal of the Geological Society 168 (2):585– 605. https://doi.org/10.1144/0016-76492010-103
DiMichele, William A., Looy, Cindy V., and Chaney, Dan S. 2011. "A New Genus of Gigantopterid from the Middle Permian of the United States and China and its Relevance to the Gigantopterid Concept." International Journal of Plant Sciences 172 (1):107– 119. https://doi.org/10.1086/657276
DiMichele, William A., Skema, Vik, and Harper, John A. 2011. "Pleasant Hill Gap." in Geology of the Pennsylvanian-Permian in the Dunkard basin. Guidebook, 76th Annual Field Conference of Pennsylvania Geologists, edited by Harper, John A., 168– 173. Field Conference of Pennsylvania Geologists, Inc.
Falcon-Lang, Howard J., Heckel, Philip H., DiMichele, William A., Blake, Bascombe M., Easterday, Cary R., Eble, Cortland F., Elrick, Scott, Gastaldo, Robert A., Greb, Stephen F., Martino, Ronald L., Nelson, W. John, Pfefferkorn, Hermann W., Phillips, Tom L., and Rosscoe, Steven J. 2011. "Reply: no major stratigraphic gap exists near the middle–upper Pennsylvanian (Desmoinesian-Missourian) boundary in North America: Palaios, v. 26, no. 3, p. 125–139, 2011." Palaios 26 (10):671– 671. https://doi.org/10.2110/Palo.2011.P11-055r
Falcon-Lang, Howard J., Heckel, Philip H., DiMichele, William A., Blake, Bascombe M., Easterday, Cary R., Eble, Cortland F., Elrick, Scott, Gastaldo, Robert A., Greb, Stephen F., Martino, Ronald L., Nelson, W. John, Pfefferkorn, Hermann W., Phillips, Tom L., and Rosscoe, Steven J. 2011. "No Major Stratigraphic Gap Exists Near the Middle-Upper Pennsylvanian (Desmoinesian-Missourian) Boundary in North America." Palaios 26 (3):125– 139. https://doi.org/10.2110/palo.2010.p10-049r
Falcon-Lang, Howard J., Jud, Nathan A., Nelson, W. John, DiMichele, William A., Chaney, Dan S., and Lucas, Spencer G. 2011. "Pennsylvanian coniferopsid forests in sabkha facies reveal the nature of seasonal tropical biome." Geology 39 (4):371– 374. https://doi.org/10.1130/G31764.1
Green, Walton A., Hunt, Gene, Wing, Scott L., and DiMichele, William A. 2011. "Does extinction wield an axe or pruning shears? How interactions between phylogeny and ecology affect patterns of extinction." Paleobiology 37 (1):72– 91. https://doi.org/10.1666/09078.1
Lucas, Spencer G., Allen, Bruce D., Krainer, Karl, Barrick, James, Vachard, Daniel, Schneider, Joerg W., DiMichele, William A., and Bashforth, Arden R. 2011. "Precise age and biostratigraphic significance of the Kinney Brick Quarry Lagerstatte, Pennsylvanian of New Mexico, USA." Stratigraphy 8 (1):7– 27.
DiMichele, William A., Cecil, C. Blaine, Montañez, Isabel P., and Falcon-Lang, Howard J. 2010. "Cyclic changes in Pennsylvanian paleoclimate and effects on floristic dynamics in tropical Pangaea." International Journal of Coal Geology 83 (2-3):329– 344. https://doi.org/10.1016/j.coal.2010.01.007
DiMichele, William A., Chaney, Dan S., Kerp, Hans, and Lucas, Spencer G. 2010. "Late Pennsylvanian floras in Western Equatorial Pangea, Cañon del Cobre, New Mexico." New Mexico Museum of Natural History and Science Bulletin 49:75– 113.
Falcon-Lang, Howard J. and DiMichele, William A. 2010. "What happened to the coal forests during pennsylvanian glacial phases?." Palaios 25 (9):611– 617. https://doi.org/10.2110/palo.2009.p09-162r
Bennington, J. Bret, DiMichele, William A., Badgley, Catherine, Bambach, Richard K., Barrett, Paul M., Behrensmeyer, Anna K., Bobe, Rene, Burnham, Robyn J., Daeschler, Edward B., Van Dam, Jan, Eronen, Jussi T., Erwin, Douglas H., Finnegan, Seth, Holland, Steven M., Hunt, Gene, Jablonski, David, Jackson, Stephen T., Jacobs, Bonnie E., Kidwell, Susan M., Koch, Paul L., Kowalewski, Michal J., Labandeira, Conrad C., Looy, Cindy V., Lyons, Sara K., Novack-Gottshall, Philip M. et al. 2009. "Critical Issues of Scale in Paleoecology." Palaios 24 (1-2):1– 4. https://doi.org/10.2110/palo.2009.S01
Chaney, Dan S., Mamay, Serguis H., DiMichele, William A., and Kerp, Hans. 2009. "Auritifolia gen. nov., Probable Seed Plant Foliage with Comioid Affinities from the Early Permian of Texas, U.S.A." International Journal of Plant Sciences 170 (2):247– 266. https://doi.org/10.1086/595293
DiMichele, William A., Montañez, I. P., Poulsen, C. J., and Tabor, Neil J. 2009. "Climate and vegetational regime shifts in the late Paleozoic ice age earth." Geobiology 7 (2):200– 226. https://doi.org/10.1111/j.1472-4669.2009.00192.x
DiMichele, William A., Nelson, W. John, Elrick, Scott, and Ames, Philip R. 2009. "Catastrophically Buried Middle Pennsylvanian Sigillaria and Calamitean Sphenopsids from Indiana, Usa: what Kind of Vegetation was This?." Palaios 24 (3):159– 166. https://doi.org/10.2110/palo.2008.p08-051r
Falcon-Lang, H., DiMichele, William A., Elrick, S., and Nelson, W. J. 2009. "Going underground: in search of Carboniferous coal forests." Geology Today 25:181– 184.
Falcon-Lang, Howard J., Nelson, W. John, Elrick, Scott, Looy, Cindy V., Ames, Philip R., and DiMichele, William A. 2009. "Incised channel fills containing conifers indicate that seasonally dry vegetation dominated Pennsylvanian tropical lowlands." Geology 37 (10):923– 926. https://doi.org/10.1130/G30117A.1
Lerner, A. J., Lucas, Spencer G., Spielmann, J. A., Krainer, K., DiMichele, William A., Chaney, Dan S., Schneider, J. W., Nelson, W. John, and Ivanov, Anton B. 2009. "The biota and paleoecology of the Upper Pennsylvanian (Missourian) Tinajas Locality, Socorro County, New Mexico." In , 267– 280.
Lucas, Spencer G., DiMichele, William A., Krainer, K., Chaney, Dan S., and Spielmann, J. A. 2009. "A coal-measure forest near Socorro, New Mexico." In , 235– 242.
Mamay, Serguis H., Chaney, Dan S., and DiMichele, William A. 2009. "Comia, a seed plant possibly of peltaspermous affinity: a brief review of the genus and description of two new species from the Early Permian (Artinskian) of Texas, C. greggii sp. nov. and C. craddockii sp. nov." International Journal of Plant Sciences 170 (2):267– 282. https://doi.org/10.1086/595294
DiMichele, William A. 2008. "Plants as a force of nature." Trends in Ecology & Evolution 23 (2):60– 61. https://doi.org/10.1016/j.tree.2007.09.015
DiMichele, William A. and Gastaldo, Robert A. 2008. "Plant paleoecology in deep time." Annals of the Missouri Botanical Garden 95:144– 198.
DiMichele, William A., Kerp, Hans, Tabor, Neil J., and Looy, Cynthia V. 2008. "The so-called "Paleophytic-Mesophytic" transition in equatorial Pangea: Multiple Biomes and Vegetational Tracking of Climate Change through Geological Time." Palaeogeography palaeoclimatology palaeoecology 268 (3-4):152– 163. https://doi.org/10.1016/j.palaeo.2008.06.006
Pfefferkorn, H. W., Gastaldo, Robert A., DiMichele, William A., and Philips, T. L. 2008. "Pennsylvanian tropical floras of the United States as a record of changing climate." Special Papers / Geological Society of America 441:305– 316.
Chaney, Dan S. and DiMichele, William A. 2007. "Paleobotany of the classic redbeds (Clear Fork Group - Early Permian) of north central Texas." Proceedings of the XVth International Congress on Carboniferous and Permian Stratigraphy 1:357– 366.
DiMichele, William A., Chaney, Dan S., Nelson, W. J., Lucas, Spencer G., Looy, C. V., Quick, K., and Jun, Wang. 2007. "A low diversity, seasonal tropical landscape dominated by conifers and peltasperms: Early Permian Abo Formation, New Mexico." Review of Palaeobotany and Palynology 145:249– 273.
DiMichele, William A., Falcon-Lang, H. J., Nelson, W. J., Elrick, S. D., and Ames, P. R. 2007. "Ecological gradients within a Pennsylvanian mire forest." Geology 35 (5):415– 418. https://doi.org/10.1130/G23472A.1
Montañez, I. P., Tabor, N. J., Niemeier, D., DiMichele, William A., Frank, T. D., Fielding, C. R., and Isbell, J. L. 2007. "CO2-forced climate and vegetation instability during Late Paleozoic deglaciation." Science 315:87– 91.
Willard, D. A., Philips, T. L., Lesnikowska, W. A., and DiMichele, William A. 2007. "Paleoecology of the Late Pennsylvanian-Age Calhoun coal bed and implications for long-term dynamics of wetland ecosystems." International Journal of Coal Geology 69:21– 54.
DiMichele, William A., Philips, T. L., and Pfefferkorn, H. W. 2006. "Paleoecology of Late Paleozoic pteridosperms from tropical Euramerica." Journal of the Torrey Botanical Society 133:83– 118.
DiMichele, William A., Tabor, N. J., Chaney, Dan S., and Nelson, W. J. 2006. "From wetlands to wet spots: Environmental tracking and the fate of Carboniferous elements in Early Permian tropical floras." in Wetlands trough time: Geological Society of America Special Paper 399, edited by Greb, S. F. and DiMichele, William A., 223– 248. Geological Society of America.
Greb, S. F., DiMichele, William A., and Gastaldo, Robert A. 2006. "Evolution and importance of wetlands in earth history." Special Papers / Geological Society of America 399:1– 40.
Chaney, Dan S., Sues, Hans-Dieter, and DiMichele, William A. 2005. "A juvenile skeleton of the nectridean amphibian Diplocaulus and associated flora and fauna from the Mitchell Creek Flats locality (upper Waggoner Ranch Formation; Early Permian), Baylor County, north-central Texas, USA." The Nonmarine Permian.New Mexico Museum of Natural History and Science Bulletin. 30:39– 47.
DiMichele, William A. and Bateman, Richard M. 2005. "Evolution of land plant diversity: Major innovations and lineages through time." in Plant Conservation: A Natural History Approach, edited by Krupnick, Gary A. and Kress, W. John., 3– 14. University of Chicago Press.
DiMichele, William A. and Chaney, Dan S. 2005. "Pennsylvanian-Permian fossil floras from the Cutler Group, Cañon del Cobre and Arroyo del Agua areas, in northern New Mexico." The Permian of Central New Mexico.New Mexico Museum of Natural History and Science Bulletin. 31:27– 33.
DiMichele, William A., Gastaldo, Robert A., and Pfefferkorn, H. W. 2005. "Plant biodiversity partitioning in the Late Carboniferous and Early Permian and its implications for ecosystem assembly." Proceedings of the California Academy of Sciences 56:32– 49.
DiMichele, William A., Kerp, H., Krings, M., and Chaney, Dan S. 2005. "The Permian Peltasperm Radiation: Evidence from the Southwestern United States." The Nonmarine Permian.New Mexico Museum of Natural History and Science Bulletin. 30:67– 79.
DiMichele, William A., Tabor, N. J., and Chaney, Dan S. 2005. "Outcrop-scale Environmental Heterogeneity and Vegetational Complexity in the Permo-Carboniferous Markley Formation of north-central Texas." The Nonmarine Permian.New Mexico Museum of Natural History and Science Bulletin. 30:60– 66.
DiMichele, William A., Van Konijnenburg-Van Cittert, H. A., Looy, C. V., and Chaney, Dan S. 2005. "Equisetites from the Early Permian of north-central Texas." The Nonmarine Permian.New Mexico Museum of Natural History and Science Bulletin. 30:56– 59.
Krings, M., Klavins, S. D., DiMichele, William A., Axsmith, B. J., Kerp, H., and Taylor, T. N. 2005. "Epidermal anatomy of Glenopteris splendens Sellards nov. emend., an enigmatic seed plant from the Lower Permian of Kansas (U.S.A.)." Review of Palaeobotany and Palynology 136:159– 180.
DiMichele, William A., Behrensmeyer, Anna K., Olszewski, T. D., Labandeira, Conrad C., Pandolfi, John M., Wing, Scott L., and Bobe, Rene. 2004. "Long-term stasis in ecological assemblages: evidence from the fossil record." Annual Review of Ecology, Evolution, and Systematics 35:285– 322.
DiMichele, William A., Hans, Kerp, and Chaney, Dan S. 2004. "Tropical floras of the Late Pennsylvanian-Early Permian transition: Carrizo Arroyo in context." in Carboniferous-Permian Transition at Carrizo Arroyo, Central New Mexico, edited by Lucas, Spencer G. and Zeigler, K. E., 105– 110. New Mexico Museum of Natural History and Science Bulletin 25.
DiMichele, William A., Hook, R. W., Nelson, W. J., and Chaney, Dan S. 2004. "An Unusual Middle Permain Flora from the Blaine Formation (Pease River Group: Leonardian-Guadalupian Series) of King County, West Texas." Journal of Paleontology 78:765– 782.
Bateman, Richard M. and DiMichele, William A. 2003. "Genesis of phenotypic and genotypic diversity in land plants: the present as the key to the past." Systematics and Biodiversity 1:13– 28.
DiMichele, William A. 2003. "The Structure of Evolutionary Theory." American Journal of Science 303:259– 261.
Greb, S. F., Andrews, W. M., Eble, C. F., DiMichele, William A., Cecil, C. B., and Hower, J. C. 2003. "Desmoinesian coal beds of the Eastern Interior and surrounding basins: the largest tropical peat mires in earth history." Geological Society of America, Special Publication 370:127– 150.
Bateman, Richard M. and DiMichele, William A. 2002. "Generating and filtering major phenotypic novelties: neoGoldschmidtian saltation revisited." in Developmental Genetics and Plant Evolution, edited by Cronk, C. B., Bateman, Richard M., and Hawkins, J. A., 109– 159. Taylor and Francis.
DiMichele, William A. and Philips, T. L. 2002. "The ecology of Paleozoic ferns." Review of Palaeobotany and Palynology 119:143– 159.
DiMichele, William A., Philips, T. L., and Nelson, W. J. 2002. "Place vs. time and vegetational persistence: a comparison of four tropical paleomires from the Illinois Basin at the height of the Pennsylvanian ice age." International Journal of Coal Geology 50:43– 72.
Hotton, N., Feldmann, R. M., Hook, R. W., and DiMichele, William A. 2002. "Crustacean-bearing continental deposits in the Petrolia formation (Leonardian Series, Lower Permian) of North-Central Texas." Journal of Paleontology 76 (3):486– 494.
DiMichele, William A., Mamay, Serguis H., Chaney, Dan S., Hook, R. W., and Nelson, J. W. 2001. "An Early Permian Flora with Late Permian and Mesozoic Affinities from North-Central Texas." Journal of Paleontology 75:449– 460.
DiMichele, William A., Pfefferkorn, H. W., and Gastaldo, Robert A. 2001. "Response of Late Carboniferous and Early Permian plant communities to climate change." Annual Review of Earth and Planetary Sciences 29:461– 487.
DiMichele, William A., Stein, W. E., and Bateman, Richard M. 2001. "Ecological sorting during the Paleozoic radiation of vascular plant classes." in Evolutionary Paleoecology, edited by Allmon, W. D. and Bottjer, D. J., 285– 335. Columbia University Press.
Laveine, J. P. and DiMichele, William A. 2001. "The qualitative approach for Carbniferous plant taxonomic analyses: implications of the Linopteris-Reticulopteris distinction." Revue Paléobiologie, Genève 20:415– 433.
DiMichele, William A. 2000. "Carboniferous Coal Swamp Forests." in Palaeobiology II, edited by Briggs, E. G. and Crowther, P. R., 79– 82. Blackwell Science.
DiMichele, William A. 2000. "Ecosystem dynamics." in McGraw-Hill Yearbook of Science and Technology, edited by McGraw, Hill staff., 129– 131. McGraw-Hill.
DiMichele, William A., Chaney, Dan S., Dixon, W. H., Nelson, W. J., and Hook, R. W. 2000. "An Early Permian Coastal Flora from the Central Basin Platform of Gaines County, West Texas." Palaios 15:524– 534.
Pfefferkorn, H. W., Gastaldo, Robert A., and DiMichele, William A. 2000. "Ecological stability during the late Paleozoic cold interval." Paleontological Society Papers 6:63– 78.
Philips, T. L. and DiMichele, William A. 1999. "Coal ball sampling and quantification." in Fossil Plants and Spores: Modern Techniques, edited by Jones, T. P. and Rowe, N. P., 206– 209. Geological Society.
Bateman, Richard M., Crane, P. R., DiMichele, William A., Kenrick, P., Rowe, N. P., Speck, T., and Stein, W. E. 1998. "Early evolution of land plants: phylogeny, physiology, and ecology of the primary terrestrial radiation." Annual Review of Ecology and Systematics 29:263– 292.
DiMichele, William A. 1998. "Macroevolution: Pattern and Process." American Paleontologist 6:13– 14.
DiMichele, William A. 1998. "Love's labour lost? Or the tragic story of a young paleontologist who chooses fossil plants as his life's work only to discover at age 50 that his mother thinks he should have studied dinosaurs ("Why aren't you ever on TV?")." Palaios 13 (5):405– 407.
Philips, T. L. and DiMichele, William A. 1998. "A transect through a clastic-swamp to peat-swamp ecotone in the Springfield coal, Middle Pennsylvanian age of Indiana, U.S.A." Palaios 13:110– 125.
Baker, R. A. and DiMichele, William A. 1997. "Biomass allocation in Late Pennsylvanian coal-swamp plants." Palaios 12 (2):127– 132.
Baker, R. and DiMichele, William A. 1997. "Resource allocation in Late Pennsylvanian coal-swamp plants." Palaios 12:127– 132.
Damuth, J., Behrensmeyer, Anna K., DiMichele, William A., Labandeira, Conrad C., Potts, Richard, and Wing, Scott L. 1997. ETE Database Manual. Evolution of Terrestrial Ecosystems Consortium.
DiMichele, William A. and Bateman, Richard M. 1996. "Plant paleoecology and evolutionary inference: two examples from the Paleozoic." Review of Palaeobotany and Palynology 90:223– 247.
DiMichele, William A. and Bateman, Richard M. 1996. "The rhizomorphic lycopsids: a case study in paleobotanical classification." Systematic Botany 21:535– 552.
DiMichele, William A., Eble, C. F., and Chaney, Dan S. 1996. "A Drowned Lycopsid Forest above the Mahoning Coal (Conemaugh Group, Upper Pennsylvanian) in Eastern Ohio, U.S.A." International Journal of Coal Geology 31:249– 276.
DiMichele, William A., Pfefferkorn, H. W., and Philips, T. L. 1996. "Persistence of Late Carboniferous tropical vegetation during glacially driven climatic and sea-level fluctuations." Palaeogeography palaeoclimatology palaeoecology 128:105– 128.
DiMichele, William A. and Philips, T. L. 1996. "Climate change, plant extinctions, and vegetational recovery during the Middle-Late Pennsylvanian transition: the case of tropical peat-forming environments in North America." Geological Society Special Publication 102:201– 221.
DiMichele, William A. and Philips, T. L. 1996. "Clades, ecological amplitudes, and ecomorphs: phylogenetic effects and the persistence of primitive plant communities in the Pennsylvanian-age tropics." Palaeogeography palaeoclimatology palaeoecology 127:83– 106.
Gastaldo, Robert A., DiMichele, William A., and Pfefferkorn, H. W. 1996. "Out of the icehouse into the greenhouse: a late Paleozoic analogue for modern global vegetational change." GSA Today 6:1– 7.
DiMichele, William A. 1995. "Basic Questions in Palaeontology." Review of Palaeobotany and Palynology 84:481– 483.
DiMichele, William A. and Philips, T. L. 1995. "The response of hierarchically structured ecosystems to long term climate change: a case study using tropical peat swamps of Pennsylvanian age." in Effects of Past Global Change on Life, edited by Stanley, Steven M., Knoll, A. H., and Kennett, J. P., 134– 155. National Research Council, Studies in Geophysics.
DiMichele, William A. and Phillips, Tom L. 1995. "The Response of Hierarchially Structured Ecosystems to Long-Term Climatic Change: A Case Study Using Tropical Peat Swamps of Pennsylvanian Age." in Effects of past global change on life, 134– 155.
Gastaldo, Robert A., Pfefferkorn, H. W., and DiMichele, William A. 1995. "Characteristics and classification of Carboniferous roof shale floras." Geological Society of America Memoir 185:341– 352.
Willard, D. A., DiMichele, William A., Eggert, D. L., Hower, J. C., Rexroad, C. B., and Scott, A. C. 1995. "Paleoecology of the Springfield Coal Member (Desmoinesian, Illinois Basin) Near the Leslie Cemetery Paleochannel, Southwestern Indiana." International Journal of Coal Geology 27 (1):59– 98.
Wing, Scott L. and DiMichele, William A. 1995. "Conflict between local and global changes in plant diversity through geological time." Palaios 10:551– 564.
Bateman, Richard M. and DiMichele, William A. 1994. "Heterospory: the most iterative key innovation in the evolution of plants." Biological Reviews 69:345– 417.
Bateman, Richard M. and DiMichele, William A. 1994. "Saltational evolution of form in vascular plants: a neoGoldschmidtian synthesis." in Linnean Society, Symposium Series, 61– 100.
DiMichele, William A. 1994. "Ecological patterns in time and space." Paleobiology 20:89– 92.
DiMichele, William A. 1994. "Presentation of the Charles-Schuchert-Award of the Paleontological-Society to Crane,peter,r.." Journal of Paleontology 68 (4):918– 918.
DiMichele, William A. and Philips, T. L. 1994. "Paleobotanical and paleoecological constraints on models of peat formation in the Late Carboniferous of Euramerica." Palaeogeography palaeoclimatology palaeoecology 106:39– 90.
Dolph, G. E., Gastaldo, Robert A., DiMichele, William A., and Hunn, D. M. 1994. "Karinopteris, a fossil pteridosperm from the "paper" coal of Indiana." Proceedings of the Indiana Academy of Sciences 98:433– 448.
DiMichele, William A. 1993. "Plant Fossils in Geological Investigation: the Paleozoic." Journal of Geological Education 41:378– 379.
DiMichele, William A. and Bateman, Richard M. 1993. "Validation of Synchysidendron, gen. nov. (Fossiles)." Taxon 42:76– 80.
Behrensmeyer, Anna K., Damuth, J., DiMichele, William A., Potts, Richard, Sues, Hans-Dieter, and Wing, Scott L. , eds. 1992. Terrestrial Ecosystems Through Time. University of Chicago.
Bateman, Richard M., DiMichele, William A., and Willard, Debra A. 1992. "Experimental Cladistic Analysis of Anatomically Preserved Arborescent Lycopsids from the Carboniferous of Euramerica: An Essay on Paleobotanical Phylogenetics." Annals of the Missouri Botanical Garden 79 (3):500– 559.
DiMichele, William A. 1992. "Causes of Evolution, A paleontological Perspective." Brittonia 44:76– 80.
DiMichele, William A. and Aronson, Richard B. 1992. "The Pennsylvanian-Permian vegetational transition: a terrestrial analogue to the onshore offshore hypothesis." Evolution 46:807– 824.
DiMichele, William A. and Bateman, Richard M. 1992. "Diaphorodendraceae, fam. nov. (Lycopsida: Carboniferous): systematics and evolutionary relationships of Diaphorodendron and Synchysidendron, gen. nov." American Journal of Botany 79:605– 617.
DiMichele, William A. and Skog, J. A. 1992. "The Lycopsida: a symposium." Annals of the Missouri Botanical Garden 79:447– 449.
Philips, T. L. and DiMichele, William A. 1992. "Comparative ecology and life history biology of arborescent lycopods in Late Carboniferous swamps of Euramerica." Annals of the Missouri Botanical Garden 79:560– 588.
Wing, Scott L., Sues, Hans-Dieter, Potts, Richard, DiMichele, William A., and Behrensmeyer, Anna K. 1992. "Evolutionary Paleoecology." in Terrestrial Ecosystems Through Time: Evolutionary Paleoecology of Terrestrial Plants and Animals, edited by Behrensmeyer, Anna K., 1– 13. University of Chicago Press.
Bateman, Richard M. and DiMichele, William A. 1991. "Hizemodendron, gen. nov., a pseudoherbaceous segregate of Lepidodendron (Pennsylvanian): Phylogenetic context for evolutionary changes in lycopsid growth architecture." Systematic Botany 16:195– 205.
DiMichele, William A. 1991. "The Other Side of the Medal." Earth Science History 10:91– 92.
DiMichele, William A., Philips, T. L., and McBrinn, G. E. 1991. "Quantitative analysis and paleoecology of the Secor coal and roof shale floras (Middle Pennsylvanian, Oklahoma)." Palaios 6:390– 409.
DiMichele, William A. and Beall, B. S. 1990. "Flora, fauna and paleoecology of the Brazil Formation of Indiana." Rocks & Minerals 65:244– 250.
Philips, T. L. and DiMichele, William A. 1990. "From Plants to Coal - Peat Taphonomy of Upper Carboniferous Coals." International Journal of Coal Geology 16 (1-3):151– 156.
DiMichele, William A., Davis, Jerrold I., and Olmstead, Richard G. 1989. "Origins of Heterospory and the Seed Habit: The Role of Heterochrony." Taxon 38 (1):1– 11.
DiMichele, William A. and Nelson, W. J. 1989. "Small scale spatial heterogeneity in Pennsylvanian age vegetation from the roof shale of the Springfield Coal." Palaios 4:276.
O'Grady, R. T., Goddard, Ives, Bateman, Richard M., DiMichele, William A., Funk, Vicki Ann, Kress, W. John, Mooi, Richard, and Cannell, P. F. 1989. "Genes and Tongues." Science 243:1651.
DiMichele, William A., Burnham, Robyn, and Sues, Hans-Dieter. 1988. "Origins of Angiosperms and Their Biological Consequences." Palaios 4:449– 452.
DiMichele, William A. and Philips, T. L. 1988. "Paleoecology of the Middle Pennsylvanian age Herrin coal swamp near a contemporaneous river system, the Walshville Paleochannel." Review of Palaeobotany and Palynology 56:151– 176.
DiMichele, William A. and DeMaris, P. J. 1987. "Structure and dynamics of a Pennsylvanian age Lepidodendron forest: colonizers of a disturbed swamp habitat in the Herrin (No. 6) Coal of Illinois." Palaios 2:146– 157.
DiMichele, William A., Philips, T. L., and Olmstead, R. G. 1987. "Opportunistic evolution: abiotic environmental stress and the fossil record of plants." Review of Palaeobotany and Palynology 50:151– 178.
DiMichele, William A., Philips, T. L., and Willard, D. A. 1986. "Morphology and paleoecology of Pennsylvanian age coal swamp plants." University of Tennessee, Studies in Geology 15:97– 114.
DiMichele, William A. 1985. "The Upward Outlook in Paleobotany." Paleobiology 11 (3):356– 359.
DiMichele, William A. 1985. "Diaphorodendron, Gen-Nov, a Segregate from Lepidodendron (Pennsylvanian Age)." Systematic Botany 10 (4):453– 458.
DiMichele, William A. and Philips, T. L. 1985. "Arborescent Lycopod Reproduction and Paleoecology in a Coal-Swamp Environment of Late Middle Pennsylvanian Age (Herrin Coal, Illinois, Usa)." Review of Palaeobotany and Palynology 44 (1-2):1– 26.
DiMichele, William A., Philips, T. L., and Peppers, R. A. 1985. "The influence of climate and depositional environment on the distribution and evolution of Pennsylvanian coal swamp plants." in Geologic Factors and the Evolution of Plants, edited by Tiffney, B., 223– 256. Yale University Press.
Nelson, W. J., Eggert, D. L., DiMichele, William A., and Stecyk, A. C. 1985. "Origin of discontinuities in coal bearing strata at Roaring Creek (basal Pennsylvanian of Indiana)." International Journal of Coal Geology 4:355– 370.
Philips, T. L., Peppers, R. A., and DiMichele, William A. 1985. "Stratigraphic and interregional changes in Pennsylvanian age coal-swamp vegetation: environmental inferences." International Journal of Coal Geology 5:43– 109.
DiMichele, William A., Rischbieter, M. O., Eggert, D. L., and Gastaldo, Robert A. 1984. "Stem and Leaf Cuticle of Karinopteris - Source of Cuticles from the Indiana Paper Coal." American Journal of Botany 71 (5):626– 637.
DiMichele, William A. 1983. "Lepidodendron-Hickii and Generic Delimitation in Carboniferous Lepidodendrid Lycopods." Systematic Botany 8 (3):317– 333.
DiMichele, William A. 1980. "Paralycopodites Morey and Morey, from the Carboniferous of Euramerica - a Reassessment of Generic Affinities and Evolution of Lepidodendron-Brevifolium Williamson." American Journal of Botany 67 (10):1466– 1476.
DiMichele, William A., Mahaffy, J. F., and Philips, T. L. 1979. "Lycopods of Pennsylvanian Age Coals - Polysporia." Canadian Journal of Botany-Revue Canadienne De Botanique 57 (16):1740– 1753.
DiMichele, William A., Mahaffy, James F., and Phillips, Tom L. 1979. "Lycopods of Pennsylvanian age coals: Polysporia." Canadian Journal of Botany 57:1740– 1753.
DiMichele, William A. and Philips, T. L. 1979. "Stelastellara Baxter, Axes of Questionable Gymnosperm Affinity with Unusual Habit - Middle Pennsylvanian." Review of Palaeobotany and Palynology 27 (2):103– 117.
DiMichele, William A. and Philips, T. L. 1977. "Monocyclic Psaronius from Lower Pennsylvanian of Illinois Basin." Canadian Journal of Botany-Revue Canadienne De Botanique 55 (19):2514– 2524.
DiMichele, William A. and Philips, T. L. 1976. "Thallites-Dichopleurus Sp-Nov from Middle Pennsylvanian Mazon Creek Flora." Bulletin of the Torrey Botanical Club 103 (5):218– 222.

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Bill Dimichele