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Showing 61-80 of about 119 results.
Ancient Denvers : scenes from the past 300 million years of the Colorado Front RangeFulcrum Publishing34
Johnson, Kirk R. and Raynolds, Robert G. H. 2006. Ancient Denvers : scenes from the past 300 million years of the Colorado Front Range. Golden, CO: Fulcrum Publishing.
Prehistoric Journey: A History of Life on EarthFulcrum144
Johnson, Kirk R. and Stucky, Richard Keith. 2006. Prehistoric Journey: A History of Life on Earth. 2nd ed. Golden: Fulcrum.
Decoupled plant and insect diversity after the end-Cretaceous extinctionv. 3131112–1115
Wilf, Peter, Labandeira, Conrad C., Johnson, Kirk R., and Ellis, B. 2006. "Decoupled plant and insect diversity after the end-Cretaceous extinction." Science, 313 1112–1115.
Archibald, S. B., Pigg, Kathleen B., Greenwood, David R., Manchester, Steven R., Barksdale, Lisa, Johnson, Kirk R., Sternberg, Michael, Stockey, Ruth A., DeVore, Melanie L., and Rothwell, Gar W. 2005. "Wes Wehr dedication." Canadian Journal of Earth Sciences, 42, (2) 115–117. https://doi.org/10.1139/e05-013.
Modern Tropical Forest Taphonomy: Does High Biodiversity Affect Paleoclimatic Interpretations?DOI: info:10.2110/palo.2004.P04-60v. 20No. 5439–451
Burnham, Robyn J., Ellis, Beth, and Johnson, Kirk R. 2005. "Modern Tropical Forest Taphonomy: Does High Biodiversity Affect Paleoclimatic Interpretations?" Palaios, 20, (5) 439–451. https://doi.org/10.2110/palo.2004.P04-60.
Eocene Plant Diversity at Laguna del Hunco and Río Pichileufú, Patagonia, ArgentinaDOI: info:10.1086/430055v. 165No. 6634–650
Wilf, Peter, Johnson, Kirk R., Cúneo, N. Rubén, Smith, M. E., Singer, Bradley S, and Gandolfo, Maria A. 2005. "Eocene Plant Diversity at Laguna del Hunco and Río Pichileufú, Patagonia, Argentina." American Naturalist, 165, (6) 634–650. https://doi.org/10.1086/430055.
Richness of plant-insect associations in Eocene Patagonia: A legacy for South American biodiversityv. 102National Academy of Sciences (U.S.)8944–8948
Wilf, Peter, Labandeira, Conrad C., Johnson, Kirk R., and Cuneo, N. Ruben. 2005. "Richness of plant-insect associations in Eocene Patagonia: A legacy for South American biodiversity." Proceedings of the National Academy of Sciences of the United States of America, 102 8944–8948.
West Bijou Site Cretaceous-Tertiary boundary, Denver Basin, ColoradoDOI: info:10.1130/0-8137-0005-1.59v. 5Geological Society of America59–68
Barclay, Richard S. and Johnson, Kirk R. 2004. "West Bijou Site Cretaceous-Tertiary boundary, Denver Basin, Colorado." In Field Trips in the Southern Rocky Mountains, USA ; GSA Field Guide 5:. 59–68. Geological Society of America. 5 https://doi.org/10.1130/0-8137-0005-1.59.
South American palaeobotany and the origins of neotropical rainforestsDOI: info:10.1098/rstb.2004.1531v. 359No. 14501595–1610
Burnham, Robyn J. and Johnson, Kirk R. 2004. "South American palaeobotany and the origins of neotropical rainforests." Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences, 359, (1450) 1595–1610. https://doi.org/10.1098/rstb.2004.1531.
Land plant extinction at the end of the Cretaceous: a quantitative analysis of the North Dakota megafloral recordDOI: info:10.1666/0094-8373(2004)030<0347:LPEATE>2.0.CO;2v. 30No. 3347–368
Wilf, Peter and Johnson, Kirk R. 2004. "Land plant extinction at the end of the Cretaceous: a quantitative analysis of the North Dakota megafloral record." Paleobiology, 30, (3) 347–368. https://doi.org/10.1666/0094-8373(2004)030<0347:LPEATE>2.0.CO;2.
Stratigraphy and megaflora of a K-T boundary section in the eastern Denver Basin, ColoradoDOI: info:10.2113/gsrocky.38.1.45v. 38No. 145–71
Barclay, Richard S., Johnson, Kirk R., Betterton, William J., and Dilcher, David L. 2003. "Stratigraphy and megaflora of a K-T boundary section in the eastern Denver Basin, Colorado." Rocky Mountain Geology, 38, (1) 45–71. https://doi.org/10.2113/gsrocky.38.1.45.
Evidence for an in situ early Paleocene rainforest from Castle Rock, ColoradoDOI: info:10.2113/gsrocky.38.1.173v. 38No. 173–100
Ellis, B., Johnson, Kirk R., and Dunn, Regan E. 2003. "Evidence for an in situ early Paleocene rainforest from Castle Rock, Colorado." Rocky Mountain Geology, 38, (1) 73–100. https://doi.org/10.2113/gsrocky.38.1.173.
Magnetostratigraphy of Upper Cretaceous (Maastrichtian) to lower Eocene strata of the Denver Basin, ColoradoDOI: info:10.2113/gsrocky.38.1.1v. 38No. 11–27
Hicks, Jason F., Johnson, Kirk R., Obradovich, John D., Miggins, Daniel P., and Tauxe, Lisa. 2003. "Magnetostratigraphy of Upper Cretaceous (Maastrichtian) to lower Eocene strata of the Denver Basin, Colorado." Rocky Mountain Geology, 38, (1) 1–27. https://doi.org/10.2113/gsrocky.38.1.1.
Overview of the Late Cretaceous, early Paleocene, and early Eocene megafloras of the Denver Basin, ColoradoDOI: info:10.2113/gsrocky.38.1.101v. 38No. 1101–120
Johnson, Kirk R., Reynolds, Michele L., Werth, Kevin W., and Thomasson, Joseph R. 2003. "Overview of the Late Cretaceous, early Paleocene, and early Eocene megafloras of the Denver Basin, Colorado." Rocky Mountain Geology, 38, (1) 101–120. https://doi.org/10.2113/gsrocky.38.1.101.
Synopsis of the stratigraphy and paleontology of the uppermost Cretaceous and lower Tertiary strata in the Denver Basin, ColoradoDOI: info:10.2113/gsrocky.38.1.171v. 38No. 1171–181
Raynolds, Robert G. and Johnson, Kirk R. 2003. "Synopsis of the stratigraphy and paleontology of the uppermost Cretaceous and lower Tertiary strata in the Denver Basin, Colorado." Rocky Mountain Geology, 38, (1) 171–181. https://doi.org/10.2113/gsrocky.38.1.171.
High plant diversity in Eocene South America: evidence from PatagoniaDOI: info:10.1126/science.1080475v. 300No. 5616American Association for the Advancement of Science122–125
Wilf, Peter, Cúneo, N. Rubén, Johnson, Kirk R., Hicks, Jason F., Wing, Scott L., and Obradovich, John D. 2003. "High plant diversity in Eocene South America: evidence from Patagonia." Science, 300, (5616) 122–125. https://doi.org/10.1126/science.1080475.
Correlated terrestrial and marine evidence for global climate changes before mass extinction at the Cretaceous-Paleogene boundaryv. 100National Academy of Sciences (U.S.)599–604
Wilf, Peter, Johnson, Kirk R., and Huber, Brian T. 2003. "Correlated terrestrial and marine evidence for global climate changes before mass extinction at the Cretaceous-Paleogene boundary." Proceedings of the National Academy of Sciences of the United States of America, 100 599–604.
Marine Cretaceous-Tertiary boundary section in southwestern South Dakota: Comment and ReplyDOI: info:10.1130/0091-7613(2002)030<0955:MCTBSI>2.0.CO;2v. 30No. 10954
Harries, Peter J., Johnson, Kirk R., Cobban, William A., and Nichols, Douglas J. 2002. "Marine Cretaceous-Tertiary boundary section in southwestern South Dakota: Comment and Reply." Geology, 30, (10) 954. https://doi.org/10.1130/0091-7613(2002)030<0955:MCTBSI>2.0.CO;2.
Magnetostratigraphy and geochronology of the Hell Creek and basal Fort Union Formations of southwestern North Dakota and a recalibration of the age of the Cretaceous-Tertiary boundaryDOI: info:10.1130/0-8137-2361-2.35v. 361Geological Society of America35–55
Hicks, Jason F., Johnson, Kirk R., Obradovich, John D., Tauxe, Lisa, and Clark, David. 2002. "Magnetostratigraphy and geochronology of the Hell Creek and basal Fort Union Formations of southwestern North Dakota and a recalibration of the age of the Cretaceous-Tertiary boundary." In The Hell Creek Formation and the Cretaceous-Tertiary boundary in the northern Great Plains: An Integrated continental record of the end of the Cretaceous ; Special Paper 361. Hartman, Joseph H., Johnson, Kirk R., and Nichols, Douglas J., editors. 35–55. Geological Society of America. 361 https://doi.org/10.1130/0-8137-2361-2.35.
A Tropical Rainforest in Colorado 1.4 Million Years After the Cretaceous-Tertiary BoundaryDOI: info:10.1126/science.1072102v. 296No. 55772379–2383
Johnson, Kirk R. 2002. "A Tropical Rainforest in Colorado 1.4 Million Years After the Cretaceous-Tertiary Boundary." Science, 296, (5577) 2379–2383. https://doi.org/10.1126/science.1072102.