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Rocky Mountain (66th Annual) and Cordilleran (110th Annual) Joint Meeting (19–21 May 2014)

Session No. 38
Wednesday, 21 May 2014: 1:00 PM-5:00 PM
Procrastinator Theater (Montana State University)

T13. Geology and Paleontology of the Two Medicine–Judith River Clastic Wedge

 

John R. Horner and Raymond R. Rogers, Advocates
Paper #
Start Time
1
1:00 PM
STRATIGRAPHIC ANALYSIS OF THE UPPER CRETACEOUS (CAMPANIAN) JUDITH RIVER FORMATION, NORTH-CENTRAL MONTANA: LITHOSTRATIGRAPHIC UPDATES AND REFINED REGIONAL CORRELATIONS
ROGERS, Raymond R., Geology Department, Macalester College, Saint Paul, MN 55105, KIDWELL, Susan M., Department of Geophyscial Sciences, Univ of Chicago, 5734 S. Ellis Avenue, Chicago, IL 60637 and MITCHELL, James P., 1115 W. Water Street, Lewistown, MT 59457, rogers@macalester.edu, rogers@macalester.edu
2
1:20 PM
JUDITH RIVER NORTH: DINOSAUR BIOSTRATIGRAPHY OF THE FOREMOST AND OLDMAN FORMATION IN SOUTHEASTERN ALBERTA, CANADA
EVANS, David C., Dept. of Natural History, Royal Ontario Museum, 100 Queen's Park, Toronto, ON M5S 2C6, Canada and RYAN, Michael J., Dept. of Vertebrate Paleontology, Cleveland Museum of Natural History, 1 Wade Oval Dr, University Circle, Cleveland, OH 44106, davide@rom.on.ca, davide@rom.on.ca
3
1:40 PM
STRATIGRAPHIC DISTRIBUTION OF HADROSAURINE DINOSAURS IN THE JUDITH RIVER FORMATION OF NORTHCENTRAL MONTANA
FREEDMAN, Elizabeth A., Department of Earth Sciences and Museum of the Rockies, Montana State University, 600 W Kagy Blvd, Bozeman, MT 59717, eafreedman@gmail.com, eafreedman@gmail.com
4
2:00 PM
TELEOSTS FROM THE UPPER CRETACEOUS (CAMPANIAN) JUDITH RIVER FORMATION, NORTH-CENTRAL MONTANA -- EVIDENCE FROM VERTEBRATE MICROFOSSIL LOCALITIES
BRINKMAN, D.B., Royal Tyrrell Museum of Paleontology, Box 7500, Drumheller, AB T0J0Y0, Canada and ROGERS, Raymond R., Geology Department, Macalester College, Saint Paul, MN 55105, don.brinkman@gov.ab.ca, don.brinkman@gov.ab.ca
5
2:20 PM
TURTLES OF THE JUDITH RIVER FORMATION AND COMPARISONS AMONG LATE CRETACEOUS FAUNAS IN WESTERN NORTH AMERICA
HOLROYD, Patricia A., HUTCHISON, J. Howard and GOODWIN, Mark B., Museum of Paleontology, University of California, Berkeley, CA 94720, pholroyd@berkeley.edu, pholroyd@berkeley.edu
6
2:40 PM
A DIVERSE ASSEMBLAGE OF FOSSIL EGGSHELL FROM THE UPPER CRETACEOUS JUDITH RIVER FORMATION OF NORTH-CENTRAL MONTANA
LAWRENCE, Alexandra, Geology Department, Macalester College, 1600 Grand Avenue, Saint Paul, MN 55105, JACKSON, Frankie D., Department of Earth Sciences, Montana State University Bozeman, PO Box 173480, Bozeman, MT 59717-3480 and ROGERS, Raymond R., Geology Department, Macalester College, Saint Paul, MN 55105, alawrenc@macalester.edu, alawrenc@macalester.edu
 
3:00 PM
Break
7
3:20 PM
STRATOFACIES DISTRIBUTION OF HADROSAURIAN DINOSAURS IN THE TWO MEDICINE/JUDITH RIVER CLASTIC WEDGE SUGGESTS BOTH ANAGENIC AND CLADOGENIC EVOLUTIONARY PATTERNS
HORNER, John R., Museum of the Rockies and Montana State University, Bozeman, MT 59717 and FREEDMAN, Elizabeth A., Department of Earth Sciences and Museum of the Rockies, Montana State University, 600 W Kagy Blvd, Bozeman, MT 59717, jhorner@montana.edu, jhorner@montana.edu
8
3:40 PM
ASSEMBLAGES OF HERBIVOROUS DINOSAUR COPROLITES IN THE TWO MEDICINE FORMATION PROVIDE FOSSIL EVIDENCE OF ECOSYSTEM ENGINEERING AND OTHER ECOSYSTEM FUNCTIONS
CHIN, Karen, Geological Sciences and Museum of Natural History, Univ of Colorado at Boulder, UCB 265, Boulder, CO 80309, Karen.Chin@colorado.edu, Karen.Chin@colorado.edu
9
4:00 PM
EXCEPTIONALLY WELL-PRESERVED MAMMAL FOSSILS FROM THE UPPER CRETACEOUS (CAMPANIAN) EGG MOUNTAIN LOCALITY (TWO MEDICINE FORMATION)
WILSON, Gregory P., Department of Biology, University of Washington, 24 Kincaid Hall, Box 351800, Seattle, WA 98195-1800 and VARRICCHIO, David J., Department of Earth Sciences, Montana State University, Bozeman, MT 59717, gpwilson@u.washington.edu, gpwilson@u.washington.edu
10
4:20 PM
TWO NEARLY COMPLETE LIZARD SKELETONS FROM THE UPPER CRETACEOUS (CAMPANIAN) TWO MEDICINE FORMATION, MONTANA, USA, OFFER NOVEL INSIGHTS INTO THE MORPHOLOGY AND EVOLUTION OF SQUAMATA
DEMAR Jr, David G.1, CONRAD, Jack L.2, HEAD, Jason J.3, WILSON, Gregory P.1 and VARRICCHIO, David J.4, (1)Department of Biology, University of Washington, 24 Kincaid Hall, Box 351800, Seattle, WA 98195-1800, (2)Department of Anatomy, New York College of Osteopathic Medicine, Old Westbury, NY 11568, (3)Earth and Atmospheric Sciences, University of Nebraska-Lincoln, 228 Bessey Hall, Lincoln, NE 68588-0340, (4)Department of Earth Sciences, Montana State University, Bozeman, MT 59717, ddemar@u.washington.edu, ddemar@u.washington.edu
11
4:40 PM
RETURN TO EGG MOUNTAIN: TAPHONOMY OF A LATE CRETACEOUS DINOSAUR NESTING LOCALITY FROM MONTANA, USA
VARRICCHIO, David J., Department of Earth Sciences, Montana State University, Bozeman, MT 59717, MOORE, Jason R., Honors College, University of New Mexico, Albuquerque, NM 87131, JACKSON, Frankie D., Department of Earth Sciences, Montana State University Bozeman, PO Box 173480, Bozeman, MT 59717-3480 and WILSON, Gregory P., Department of Biology, University of Washington, 24 Kincaid Hall, Box 351800, Seattle, WA 98195-1800, djv@montana.edu, djv@montana.edu
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