David J. Varrichio
Montana State University, Bozeman, MT
Activity
2023
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ANATOMICAL EVALUATION OF A DROMAEOSAURID MAXILLA REVEALS MICRORAPTORINE PRESENCE IN THE LATE CRETACEOUS TWO MEDICINE FORMATION OF MONTANA, USA
211 D29. Recent Developments in Phylogeny and Morphological PatternsWednesday, 18 October 20238:00 AM - 12:00 PM306 / 307
2021
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TRACKS OF ORNITHOPODS PUTTING THEIR BEST FEET FORWARD IN THE FRONTIER FORMATION (CONIACIAN), MONTANA
25 D18. Recent Advances in Paleontology II (Posters)Sunday, 10 October 20219:00 AM - 1:00 PMExhibit Hall A
2020
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ICHNOLOGY, PALEODEPOSITIONAL ENVIRONMENTS AND PALEOHYDROLOGY OF THE NON-MARINE UPPER CRETACEOUS (CONIACIAN) FRONTIER FORMATION DEPOSITS OF THE WESTERN CENTENNIAL MOUNTAINS, MONTANA
T99 Ichnology as a Global Proxy Multitool to Reconstruct Biodiversity, Ecology, Hydrology, and Climate in Continental to Marine Settings IITuesday, 27 October 20205:30 PM - 8:00 PMMeeting Rooms
2019
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INSECT TRACE FOSSILS AND THEIR PALEONTOLOGICAL IMPORTANCE IN THE TWO MEDICINE FORMATION (CAMPANIAN), CHOTEAU, MONTANA
38 D22. Paleontology: Paleoecology/Taphonomy (Posters)Sunday, 22 September 20199:00 AM - 5:30 PMHall AB, North Building
2017
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PELVIC COEVOLUTION WITH EGG SIZE AND SHAPE IN MODERN BIRDS: IMPLICATION FOR REPRODUCTIVE BIOLOGY OF EXTINCT DINOSAURS
221 D14. Paleontology, Phylogenetic/Morphological Patterns: VertebratesTuesday, 24 October 20171:30 PM - 5:30 PMRoom 604
2015
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USING INVERTEBRATE TRACES TO ASSESS SEDIMENTATION AT A RICH TERRESTRIAL VERTEBRATE LOCALITY FROM THE CRETACEOUS OF MONTANA
T128 Earth Underfoot: New Frontiers in Ichnology and Zoogeomorphology (Posters)Monday, 2 November 20159:00 AM - 6:30 PMExhibit Hall
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INSECTS USING ONE ANOTHER DURING THE LATE CRETACEOUS: TRACE FOSSIL EVIDENCE OF PARASITOID (OR WAS IT CLEPTOPARASITE?) BEHAVIOR IN THE TWO MEDICINE FORMATION, MONTANA
T70 The Fossil Record of Parasite-Host Interactions: New Perspectives and ApproachesSunday, 1 November 20151:30 PM - 5:30 PMRoom 315
2014
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RETURN TO EGG MOUNTAIN: TAPHONOMY OF A LATE CRETACEOUS DINOSAUR NESTING LOCALITY FROM MONTANA, USA
38 Geology and Paleontology of the Two Medicine–Judith River Clastic WedgeWednesday, 21 May 20141:00 PM - 5:00 PMProcrastinator Theater
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ASSESSING THE PROVENANCE OF CAMPANIAN VERTEBRATE-BEARING CARBONATES FROM THE EGG MOUNTAIN LOCALITY
33 Geology and Paleontology of the Two Medicine–Judith River Clastic Wedge (Posters)Wednesday, 21 May 20148:00 AM - 5:00 PMBallroom B, C, D
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EXCEPTIONALLY WELL-PRESERVED MAMMAL FOSSILS FROM THE UPPER CRETACEOUS (CAMPANIAN) EGG MOUNTAIN LOCALITY (TWO MEDICINE FORMATION)
38 Geology and Paleontology of the Two Medicine–Judith River Clastic WedgeWednesday, 21 May 20141:00 PM - 5:00 PMProcrastinator Theater
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FAUNAL COMPOSITION OF THE LOWER TWO MEDICINE FORMATION (CAMPANIAN), MONTANA
33 Geology and Paleontology of the Two Medicine–Judith River Clastic Wedge (Posters)Wednesday, 21 May 20148:00 AM - 5:00 PMBallroom B, C, D
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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
38 Geology and Paleontology of the Two Medicine–Judith River Clastic WedgeWednesday, 21 May 20141:00 PM - 5:00 PMProcrastinator Theater
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THE ROBISON BONEBED: A PRELIMINARY REPORT ON THE MOST DIVERSE VERTEBRATE FOSSIL SITE KNOWN FROM THE MID-CRETACEOUS WAYAN FORMATION OF IDAHO
14 Mesozoic Paleogeography of the North American CordilleraTuesday, 20 May 20148:00 AM - 12:00 PMProcrastinator Theater
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TAPHONOMY OF DESERT TORTOISE (GOPHERUS AGASSIZII) NESTING SITES FOR COMPARISON TO THE FOSSIL RECORD
2 Sedimentary Geology, Paleoclimatology, and PaleontologyMonday, 19 May 20148:00 AM - 12:00 PMSUB 233/235
2012
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APPLICATIONS OF ELECTRON BACKSCATTER DIFFRACTION ON FOSSILIZED AND MODERN EGGSHELL
23 Undergraduate Research in the Rocky Mountains (Posters)Thursday, 10 May 20128:00 AM - 5:30 PMAlvarado D&E
2011
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FOSSIL EGGS FROM ZHEJIANG PROVINCE, CHINA: EVIDENCE OF A REDUCING ENVIRONMENT FACILITATED BY ORGANIC DECOMPOSITION
173 Paleontology (Posters) III: Biogeography, Biostratigraphy, and TaphonomyTuesday, 11 October 20119:00 AM - 6:00 PMHall C
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IDAHO'S FIRST DINOSAUR IDENTIFIABLE TO GENUS LEVEL, ORYCTODROMEUS SP., FROM THE MID-CRETACEOUS WAYAN FORMATION, AND THE GEOLOGICAL AND PALEONTOLOGICAL SETTING
9 Paleontology and PaleoclimatologyWednesday, 18 May 20111:30 PM - 5:00 PMCottonwood
2009
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A NEW DINOSAUR ASSEMBLAGE FROM THE LOWER CRETACEOUS (ALBIAN) OF SOUTHERN NEVADA
32 Paleontology: Paleoenvironments, Paleocommunities, Biogeography & Biostratigraphy (Posters)Sunday, 18 October 20099:00 AM - 6:00 PMHall A
2008
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Using Taphonomic Pathways Identified from Modern Bone Assemblages to Interpret Vertebrate Fossil Assemblages
T127 Neontological Solutions to Paleontological Problems: Actualistic Studies of the Morphology, Behavior, and Ecology of Modern Analogs for Ancient OrganismsSunday, 5 October 20088:00 AM - 12:00 PM
2007
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PRELIMINARY VERTEBRATE FAUNA OF THE MID CRETACEOUS BLACKLEAF FORMATION OF MONTANA
19 Utah's Lower Cretaceous Cedar Mountain Formation: Advances in Geology IITuesday, 8 May 20072:00 PM - 4:30 PM
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A CEDAR MOUNTAIN TYPE FAUNA FROM THE LOWER CRETACEOUS OF SOUTHERN NEVADA
19 Utah's Lower Cretaceous Cedar Mountain Formation: Advances in Geology IITuesday, 8 May 20072:00 PM - 4:30 PM
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VERTEBRATE FAUNA OF THE MID-CRETACEOUS (ALBIAN) WAYAN FORMATION OF IDAHO, A POSSIBLE CORRELATE TO THE UPPER CEDAR MOUNTAIN FORMATION
19 Utah's Lower Cretaceous Cedar Mountain Formation: Advances in Geology IITuesday, 8 May 20072:00 PM - 4:30 PM
2005
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ZOOLOGICAL PALEOPATHOLOGY AND THE CASE OF THE TYRANNOSAURUS JAW: INTEGRATING PHYLOGENY AND THE STUDY OF ANCIENT DISEASES
34 Paleontology II: How Do They Do That? Biomechanics and DevelopmentSunday, 16 October 20051:30 PM - 5:30 PM
Date Unknown
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SOOT AND POLLEN FROM MANSON IMPACT-RELATED STRATA (UPPER CRETACEOUS) OF IOWA AND SOUTH DAKOTA
T119 Impact Craters: Structures, Drilling, Ages, and Geophysics (Posters)
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A NEW VERTEBRATE FAUNA FROM THE EARLY CRETACEOUS WILLOW TANK FORMATION OF SOUTHERN NEVADA
230 Paleontology/Paleobotany (Posters) II: Fossils in Time, Space, and Morphospace
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APPLICATION OF SEQUENCE STRATIGRAPHY TO THE UPPER CRETACEOUS TWO MEDICINE FORMATION, NORTHWESTERN MONTANA, AND ITS IMPLICATIONS FOR DINOSAUR NESTING SITES
54 Stratigraphy (Posters)