Thomas Hegna
Western Illinois University, Macomb, IL
Activity
2018
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EDS AND CT ANALYSIS OF A TRIASSIC SILICIFIED PTERONISCULUS SP. NODULE FOUND IN NORTHERN MADAGASCAR
T260 Applications of 3D Printing and Other 3D Methods to Experimental Paleontology (Posters)Wednesday, 7 November 20189:00 AM - 6:30 PMHalls J-K
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LINEAGE-THINKING, OR THE CONCEPTUAL NON-NECESSITY OF SPECIES AND ITS IMPLICATIONS
199 D23. Paleontology, Evolution and DevelopmentTuesday, 6 November 20181:30 PM - 5:30 PMRoom 141
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LEGACY DATA IN PHYLOGENETICS AND A RE-ANALYSIS OF MID-PALEOZOIC PHACOPID PHYLOGENY
T115 Phylogenetic Paleobiology: Exploring Macroevolutionary Trends with Evolutionary Trees (Posters)Monday, 5 November 20189:00 AM - 6:30 PMHalls J-K
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THE FOSSIL RECORD OF LARGE BRANCHIOPOD CRUSTACEANS
30 D5. Paleontology (Posters)Tuesday, 17 April 20188:00 AM - 5:30 PMFirst Floor Lobby
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RAMAN SPECTROSCOPIC ANALYSIS OF THE COMPOSITION OF CLAM SHRIMP (LAEVICAUDATA, SPINICAUDATA, CYCLESTHERIDA) CARAPACES: IMPLICATIONS FOR THE FOSSIL RECORD
30 D5. Paleontology (Posters)Tuesday, 17 April 20188:00 AM - 5:30 PMFirst Floor Lobby
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ALMATIUM SP. FROM THE MIDDLE TO LATE TRIASSIC MADYGEN FORMATION, SW KYRGYZSTAN AND THE PHYLOGENETIC STRUCTURE OF THE CALMANOSTRACA
30 D5. Paleontology (Posters)Tuesday, 17 April 20188:00 AM - 5:30 PMFirst Floor Lobby
2016
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THE AMBER WINDOW AND THE AMPHIPOD FOSSIL RECORD
272 Paleontology 3: Taphonomy and PredationWednesday, 28 September 20168:00 AM - 12:00 PMMile High Ballroom 4C
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THE BIOTA OF THE CAMBRIAN WEEKS FORMATION LAGERSTäTTE, HOUSE RANGE, UTAH
30 The Contribution of Taphonomy for Understanding the Fossil Record (Posters)Tuesday, 19 April 20168:00 AM - 12:00 PMIllinois Ballroom AB
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PRELIMINARY WORK ON THE ONTOGENIES OF TRILOBITES FROM THE WEEKS FORMATION (CAMBRIAN; UTAH)
30 The Contribution of Taphonomy for Understanding the Fossil Record (Posters)Tuesday, 19 April 20168:00 AM - 12:00 PMIllinois Ballroom AB
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NEW ENIGMAS IN THE PATTERNS OF SILICIFICATION FROM THE CAMBRIAN WEEKS FORMATION LAGERSTäTTE
7 The Contribution of Taphonomy for Understanding the Fossil RecordMonday, 18 April 20168:00 AM - 12:00 PMHumanities Room
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OUTCROP MAPPING IN ARGYLE LAKE STATE PARK USING LIDAR SLOPE MAPPING
9 Recent Research in Geoscience (Posters)Monday, 18 April 20168:00 AM - 12:00 PMIllinois Ballroom AB
2015
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PYRITIZED IN SITU TRILOBITE EGGS FROM THE ORDOVICIAN OF NEW YORK (LORRAINE GROUP): IMPLICATIONS FOR TRILOBITE REPRODUCTIVE BIOLOGY
221 Paleontology: The Early and Middle Paleozoic: Biodiversity, Biogeography, and Biostratigraphy (Posters)Tuesday, 3 November 20159:00 AM - 6:30 PMExhibit Hall
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POSSIBLE MINUTE BRANCHIOPOD MANDIBLES (?CLADOCERA) FROM LAKE DEPOSITS (CINIZA LAKE) IN THE UPPER TRIASSIC CHINLE FORMATION (NEW MEXICO) AND THE TEMPORAL RECORD OF SMALL CARBONACEOUS FOSSILS (SCFS)
222 Paleontology: The Mesozoic World (Posters)Tuesday, 3 November 20159:00 AM - 6:30 PMExhibit Hall
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TRILOBITES AS ARTHROPODS: THE IMPLICATIONS OF THE ARTHRODIAL MEMBRANE FOR TRILOBITE TAPHONOMY
T98 Perspectives on Multi-Element Skeleton Taphonomy: Case Studies, Approaches, and AdvancesMonday, 2 November 20158:00 AM - 12:00 PMRoom 319/320
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PYRITIZED IN SITU TRILOBITE EGGS FROM THE ORDOVICIAN OF NEW YORK (LORRAINE GROUPE): IMPLICATIONS FOR TRILOBITE REPRODUCTIVE BIOLOGY
20 General PaleontologyWednesday, 20 May 20158:00 AM - 9:45 AMHall of Ideas J
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EPILOGUE TO THE TALE OF THE TRIASSIC AMPHIPOD: ROSAGAMMARUS IS A DECAPOD TAIL (LUNING FORMATION, NEVADA)
42 General Paleontology (Posters)Wednesday, 20 May 20151:30 PM - 5:30 PMGrand Terrace
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MISSISSIPPIAN BRYOZOANS PRESERVED IN GLAUCONITE (ILLINOIS, USA)
42 General Paleontology (Posters)Wednesday, 20 May 20151:30 PM - 5:30 PMGrand Terrace
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POSSIBLE TRILOBITE-IN-TRILOBITE SHELTERING BEHAVIOR (SILURIAN GUN RIVER FORMATION, ANTICOSTI ISLAND, CANADA)
42 General Paleontology (Posters)Wednesday, 20 May 20151:30 PM - 5:30 PMGrand Terrace
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SILICIFICATION OF TRILOBITES IN THE CAMBRIAN WEEKS FORMATION (HOUSE RANGE, UTAH)
42 General Paleontology (Posters)Wednesday, 20 May 20151:30 PM - 5:30 PMGrand Terrace
2013
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NOT QUITE FROZEN IN TIME: WINDOWS INTO THE INTERNAL TAPHONOMY OF FOSSILS IN AMBER VIA MICROCT-SCAN TECHNOLOGY
T298 Unlocking Lilliput: New Approaches to Microscopy in PaleontologyTuesday, 29 October 20131:00 PM - 5:00 PMMile High Ballroom 1AB
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FIRST MESOZOIC THYLACOCEPHALANS (ARTHROPODA, CRUSTACEA; CRETACEOUS) IN THE WESTERN HEMISPHERE: NEW DISCOVERIES FROM THE MUHI QUARRY LAGERSTÄTTE, MÉXICO
T262 The Arthropoda: Paleoecology, Diversity, Taphonomy, and Phylogeny (Posters)Tuesday, 29 October 20139:00 AM - 6:30 PMHall D
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THE CARBONIFEROUS WHIP SPIDER GRAEOPHONUS (ARACHNIDA: AMBLYPYGI): NEW DATA ON PEDIPALP EVOLUTION
T262 The Arthropoda: Paleoecology, Diversity, Taphonomy, and Phylogeny (Posters)Tuesday, 29 October 20139:00 AM - 6:30 PMHall D
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THE WEEKS FORMATION LAGERSTATTE (HOUSE RANGE, UTAH): A UNIQUE INSIGHT INTO THE EVOLUTION OF SOFT-BODIED METAZOANS DURING THE LATE CAMBRIAN
T186 Konservat-Lagerstätten: Morphology, Ecology, and Taphonomy of Exceptionally Preserved Fossils IIMonday, 28 October 20131:00 PM - 5:00 PMRoom 607
2012
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STEM-WARD SLIPPAGE AND THE RELEVANCE OF ARTHROPOD DECAY FOR INTERPRETING FOSSIL MORPHOLOGY: A NEW LOOK AT STRUDIELLA AND EBULLITIOCARIS
T151 The Origins of Arthropod Diversity: Phylogenetic Insights from the Living and the Dead ITuesday, 6 November 20128:00 AM - 12:00 PM217BC
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ORIGINAL SPOTTED PATTERNS ON MIDDLE DEVONIAN PHACOPID TRILOBITES FROM WESTERN AND CENTRAL NEW YORK
T151 The Origins of Arthropod Diversity: Phylogenetic Insights from the Living and the Dead ITuesday, 6 November 20128:00 AM - 12:00 PM217BC
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A NEW ENIGMATIC ARTHROPOD FROM THE CAMBRIAN WEEKS FORMATION, UTAH
27 Paleontology: Descriptive Paleontology, Biogeography, and Biostratigraphy (Posters)Sunday, 4 November 20129:00 AM - 6:30 PMHall B
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FIRST CT-SCAN RECONSTRUCTION OF GRAEOPHONUS, A LATE CARBONIFEROUS WHIP SPIDER (ARACHNIDA: AMBLYPYGI) FROM COSELEY, STAFFORDSHIRE, UK
27 Paleontology: Descriptive Paleontology, Biogeography, and Biostratigraphy (Posters)Sunday, 4 November 20129:00 AM - 6:30 PMHall B