Geological Society of America

8:00 AM

STRATIGRAPHIC CONTROLS ON REGIONAL DIVERSITY IN THE LATE ORDOVICIAN: CORRECTING FOR THE EFFECTS OF FACIES AVAILABILITY AND SAMPLING INTENSITY

M. E. Patzkowsky, Penn State Univ, University Park, PA and S. M. Holland, Univ of Georgia, Athens, GA

17187 (Technical Sessions)

8:00 AM

CONFIDENCE LIMITS ON FOSSIL RANGES THAT ACCOUNT FOR SEQUENCE ARCHITECTURE

Steven M. Holland, Univ Georgia, Athens, GA

17759 (Technical Sessions)

8:00 AM

CONODONT DISTRIBUTION PATTERNS AS A TOOL FOR IDENTIFICATION AND CHARACTERIZATION OF STRATIGRAPHIC SURFACES WITHIN PALEOZOIC SEQUENCES OF THE MIDCONTINENT, U.S.A

Karl W. Leonard, Minnesota State Univ Moorhead, Moorhead, MN

18529 (Technical Sessions)

8:00 AM

DIASTEMS AND TIME-AVERAGING: THE LIMITS OF RESOLUTION IN STRATIGRAPHY AND PALEONTOLOGY

Michal Kowalewski, Virginia Polytechnic Institute and State Univ, Blacksburg, VA and Richard K. Bambach, Harvard Univ, Cambridge, MA

20564 (Technical Sessions)

8:00 AM

INTRASPECIFIC VARIATION AND MORPHOLOGICAL EVOLUTION IN THE EARLY CAMBRIAN TRILOBITE BRISTOLIA (OLENELLOIDEA)

Mark Webster, University of California, Riverside, Riverside, CA

21300 (Technical Sessions)

8:00 AM

INTERVAL-FREE DIVERSITY CURVES AND LONGEVITY HISTORIES: STRATIGRAPHIC SEQUENCING ALGORITHMS APPLIED TO THE GRAPTOLITE CLADE

Peter M. Sadler, Univ of California, Riverside, CA

21864 (Technical Sessions)

8:00 AM

IS PHYLETIC GRADUALISM A USEFUL CONCEPT? INSIGHTS FROM STRATIGRAPHIC PALEOBIOLOGY AND MORPHOLOGICAL TIME SERIES

Charles E. Mitchell, SUNY at Buffalo, Buffalo, NY and H. David Sheets, Canisius College, Buffalo, NY

22364 (Technical Sessions)

8:00 AM

RARE EVENTS, TIME-AVERAGING, AND THE PARADOX OF “LAYER CAKE STRATIGRAPHY"

Carlton E. Brett, Univ of Cincinnati, Cincinnati, OH and Gordon C. Baird, SUNY College at Fredonia, Fredonia, NY

23022 (Technical Sessions)

8:00 AM

WHATEVER HAPPENED TO UNCONFORMOLOGY? (AND WHY SHOULD WE CARE?)

Susan M. Kidwell, Univ of Chicago, Chicago, IL

26181 (Technical Sessions)

8:00 AM

USE OF HIGH-RESOLUTION FOSSIL DATA TO ASSESS THE CAUSES OF METER-SCALE CYCLICITY IN THE TYPE CINCINNATIAN SERIES (UPPER ORDOVICIAN)

Andrew J. Webber, University of Cincinnati, Cincinnati, OH

26306 (Technical Sessions)

8:00 AM

THE STRATIGRAPHY OF VERTEBRATE SKELETAL CONCENTRATIONS: INSIGHTS GAINED FROM THE UPPER CRETACEOUS OF MONTANA

Raymond R. Rogers, Macalester College, St. Paul, MN

27034 (Technical Sessions)

8:00 AM

STRATIGRAPHIC CONTEXT OF LATE CAMBRIAN TRILOBITE EXTINCTIONS: EVIDENCE FROM EASTERN NEVADA

Stephen R. Westrop, Univ of Oklahoma, Norman, OK and Jonathan M. Adrain, Univ of Iowa, Iowa City, IA and Jad R. Bean, University of Iowa, Iowa City, IA

27676 (Technical Sessions)

8:00 AM

ORDOVICIAN MONOTYPIC FOSSIL CONCENTRATIONS: AN EXAMPLE OF AN OPPORTUNISTIC RESPONSE TO STRESSED ENVIRONMENTS

Diana L. Thiel, Univ of California, Riverside, Riverside, CA and Mary L. Droser, Univ of California, Riverside, Riverside, CA

28033 (Technical Sessions)

8:00 AM

COMPLEMENTARY RELATIONS BETWEEN ICHNOLOGY AND SEQUENCE STRATIGRAPHY: EXAMPLES FROM A CENOZOIC SLOPE SUCCESSION, NEW JERSEY MARGIN

Charles E. Savrda, Auburn Univ, Auburn, AL

28119 (Technical Sessions)

8:00 AM

USING PALEOECOLOGICAL GRADIENT ANALYSIS TO ENHANCE STRATIGRAPHIC INTERPRETATION: A PENNSYLVANIAN-PERMIAN EXAMPLE

Thomas D. Olszewski, Indiana Univ, Bloomington, IN

28444 (Technical Sessions)

8:00 AM

BIOTIC-SEDIMENT INTERACTIONS IN A SEQUENCE STRATIGRAPHIC FRAMEWORK: THE LATE CARBONIFEROUS SYDNEY MINES FORMATION AT MORIEN BAY, NOVA SCOTIA

Heidi L. McDonald, Dalhousie Univ, Halifax, NS and Martin R. Gibling, Dalhousie Univ, Halifax, NS

28778 (Technical Sessions)

T12 Stratigraphic Paleobiology

Presentations