James R. Thomka
University of Akron, Akron, OH
Activity
2016
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UNUSUAL PRESERVATION OF CONOSTICHUS IN CARBONATE SEDIMENTS (SILURIAN, SOUTHEASTERN INDIANA)
12 Reefs and Shallow Seas: Advances in High-Resolution Stratigraphy and Paleontology in Silurian-Ordovician Rocks of North AmericaMonday, 18 April 20161:30 PM - 5:30 PMIllinois Ballroom C
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PALEOBIOLOGY OF AN ENIGMATIC CRINOID (ECHINODERMATA) FROM THE PENNSYLVANIAN VANPORT LIMESTONE, NORTHEASTERN OHIO
17 Paleontology (Posters)Monday, 18 April 20161:30 PM - 5:30 PMIllinois Ballroom AB
2015
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SILURIAN-DEVONIAN ENVIRONMENTAL AND BIOTIC CHANGE RECAST IN A NEW TIME SCALE: EVIDENCE OF CHANGING VOLATILITY FROM THE APPALACHIAN BASIN
T248 The Middle Paleozoic WorldTuesday, 3 November 20151:30 PM - 5:30 PMRoom 337
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CALIBRATING DEPTHS OF ORDOVICIAN BENTHIC ASSEMBLAGES IN THE UPPER ORDOVICIAN OF THE CINCINNATI ARCH REGION, USA
42 General Paleontology (Posters)Wednesday, 20 May 20151:30 PM - 5:30 PMGrand Terrace
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FACIES GRADIENTS IN CINCINNATIAN CYCLES: IMPLICATIONS FOR LATE ORDOVICIAN SEQUENCE STRATIGRAPHY AND PALEOENVIRONMENTS IN EASTERN LAURENTIA
37 Bridging the Gap between Empirical and Model-Driven Views of Geologic History: New Tools and ApproachesWednesday, 20 May 20151:30 PM - 5:30 PMHall of Ideas I
2014
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CALIBRATING WATER DEPTHS OF A LATE ORDOVICIAN RAMP, SOUTHERN OHIO AND NORTH-CENTRAL KENTUCKY, USA
T257 The Ordovician Revolution: Co-Evolution of Climate and the BiosphereTuesday, 21 October 20141:00 PM - 5:00 PM215/216
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NEW CHRONOSTRATIGRAPHIC DATA FROM THE TELYCHIAN (LLANDOVERY; SILURIAN) OF THE NORTHERN APPALACHIAN BASIN AND ITS IMPLICATIONS FOR EXISTING SEQUENCE STRATIGRAPHIC FRAMEWORKS
176 StratigraphyTuesday, 21 October 20148:00 AM - 12:00 PM221/222
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SEQUENCE STRATIGRAPHIC CONTROL OVER TAPHONOMICALLY COMPLEX PELMATOZOAN ECHINODERM LAGERSTÄTTEN IN PALEOZOIC EPEIRIC BASINS
T23 Echinoderm Paleobiology: Phylogenetics, Morphology, and Evolutionary PaleoecologySunday, 19 October 20148:00 AM - 12:00 PM220
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RELATIONSHIPS BETWEEN TAPHONOMY AND ONTOGENY IN THE ADVANCED CLADID CRINOID APOGRAPHIOCRINUS TYPICALIS FROM THE UPPER PENNSYLVANIAN OF OKLAHOMA
T55 Echinoderm Paleobiology: Phylogenetics, Morphology, and Evolutionary Paleoecology (Posters)Sunday, 19 October 20149:00 AM - 5:00 PMExhibition Hall C
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INSIGHTS INTO THE PRODUCER OF 'FOERSTE'S BEADS' (ECHINODERMATA: CRINOIDEA) BASED ON NEW MATERIAL FROM THE LOWER SILURIAN BRASSFIELD FORMATION OF CENTRAL KENTUCKY
1 Paleoclimate, Paleoecology, EvolutionThursday, 24 April 20147:55 AM - 12:00 PMGarrat
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RECIPROCAL TIME-AVERAGING AND TAPHONOMIC FEEDBACK IN A COMPOSITE BIVALVE-BRYOZOAN CONCENTRATION FROM THE UPPER ORDOVICIAN OF KENTUCKY
1 Paleoclimate, Paleoecology, EvolutionThursday, 24 April 20147:55 AM - 12:00 PMGarrat
2013
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TAPHONOMY OF ‘CYSTOIDS’ (ECHINODERMATA: DIPLOPORITA) FROM THE NAPOLEON QUARRY OF SOUTHEASTERN INDIANA: THE MIDDLE SILURIAN MASSIE FORMATION AS AN ATYPICAL KONSERVAT-LAGERSTÄTTE
300 Early Life and TaphonomyWednesday, 30 October 20138:00 AM - 12:00 PMMile High Ballroom 1EF
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THE STRATIGRAPHIC DISTRIBUTION OF THE LATE ORDOVICIAN ‘BUTTER SHALE’ LAGERSTäTTEN IN THE CINCINNATI ARCH REGION
T261 Konservat-Lagerstätten: Morphology, Ecology, and Taphonomy of Exceptionally Preserved Fossils (Posters)Tuesday, 29 October 20139:00 AM - 6:30 PMHall D
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REVISED STRATIGRAPHIC RELATIONS IN THE UPPER ORDOVICIAN (KATIAN; UPPER MAYSVILLIAN-RICHMONDIAN) OF CENTRAL AND NORTHERN KENTUCKY: HIGH RESOLUTION CORRELATION, REGIONAL FACIES EVOLUTION, AND MODIFIED NOMENCLATURE
41 Recent Advances in Stratigraphic Research (Posters)Sunday, 27 October 20139:00 AM - 6:30 PMHall D
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SUBSTRATE-CONTROLLED VARIABILITY WITHIN ATTACHMENT STRUCTURES OF CARYOCRINITES (ECHINODERMATA: RHOMBIFERA) FROM THE MIDDLE SILURIAN OF SOUTHEASTERN INDIANA
8 Paleontology (Posters)Thursday, 2 May 20138:00 AM - 12:00 PMCourtyard
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MAGNETIC SUSCEPTIBILITY OF THE LATEST TELYCHIAN-EARLY SHEINWOODIAN (MIDDLE SILURIAN) SUCCESSION, SOUTHEASTERN INDIANA AND NORTHERN KENTUCKY: IMPLICATIONS FOR STRATIGRAPHIC INTERPRETATION OF DIAGENETICALLY ALTERED UNITS
9 Sedimentology & Stratigraphy (Posters)Thursday, 2 May 20138:00 AM - 12:00 PMCourtyard
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PRELIMINARY REVISION OF THE SEQUENCE STRATIGRAPHY AND NOMENCLATURE OF THE UPPER MAYSVILLIAN-LOWER RICHMONDIAN STRATA EXPOSED IN KENTUCKY
12 Sedimentology & StratigraphyThursday, 2 May 20131:30 PM - 5:30 PMRoom 2020
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A PRELIMINARY COMPARISON OF THE LATE ORDOVICIAN BUTTER SHALES OF THE CINCINNATI ARCH
8 Paleontology (Posters)Thursday, 2 May 20138:00 AM - 12:00 PMCourtyard
2012
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DEVELOPMENT OF A SILURIAN (WENLOCK) BLASTOZOAN-DOMINATED ECHINODERM FAUNA IN THE CINCINNATI ARCH REGION: PALEOENVIRONMENTAL CONTROL OVER FAUNAL ANACHRONISMS
T269 Topics in Paleoecology: Predation/Biotic Interactions, Fidelity/Taphonomy, and Community Ecology/Whole Organism Paleoecology IVWednesday, 7 November 20121:30 PM - 5:30 PM217D
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REVISED NOMENCLATURE AND SEQUENCE STRATIGRAPHIC INTERPRETATION OF THE SILURIAN (TELYCHIAN TO SHEINWOODIAN) OSGOOD FORMATION IN THE CINCINNATI ARCH REGION
9 Navigating Ancient Midwestern Seas: The Geologic Record of Flooding and Emergence on a Large Paleozoic PlatformMonday, 23 April 20121:00 PM - 3:00 PMRoom 203
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ORDOVICIAN SEA STACKS OR SILURIAN CAVES: UNCONFORMITIES AND THE BRASSFIELD LIMESTONE IN INDIANA
9 Navigating Ancient Midwestern Seas: The Geologic Record of Flooding and Emergence on a Large Paleozoic PlatformMonday, 23 April 20121:00 PM - 3:00 PMRoom 203
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REVISED SEQUENCE STRATIGRAPHIC FRAMEWORK IN AERONIAN AND TELYCHIAN STRATA (LLANDOVERY; SILURIAN) OF THE EAST CINCINNATI ARCH
9 Navigating Ancient Midwestern Seas: The Geologic Record of Flooding and Emergence on a Large Paleozoic PlatformMonday, 23 April 20121:00 PM - 3:00 PMRoom 203
2011
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CO-OCCURRENCE OF A BURROWED FIRMGROUND AND A NEGATIVE SHIFT IN MAGNETIC SUSCEPTIBILITY: IMPLICATIONS FOR CORRELATION AND SEQUENCE STRATIGRAPHY
249 Stratigraphy (Posters)Wednesday, 12 October 20119:00 AM - 6:00 PMHall C
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PELMATOZOAN ATTACHMENT STRUCTURES FROM A MICROBIOHERMAL HARDGROUND IN THE MIDDLE SILURIAN OSGOOD FORMATION, SOUTHEASTERN INDIANA
27 Paleontology (Posters) I: Ecology and PhylogenySunday, 9 October 20119:00 AM - 6:00 PMHall C