Alexei A. Rivera
Germantown, MD
Activity
2015
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NAUTILOID MACROEVOLUTION: AN INTERPLAY OF ADAPTIVE SHELL FORM, PREDATION, AND SPECIES SELECTION
43 Paleontology: Trends in Morphology and Size (Posters)Sunday, 1 November 20159:00 AM - 5:30 PMExhibit Hall
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SLUGGISH RATES OF EVOLUTION FOR LAND ANIMALS DURING THE LATE PALEOZOIC ICE AGE: A GEOBIOLOGICAL INTERPRETATION
70 Recent Advances in Earth Sciences II (Posters)Wednesday, 25 March 20158:00 AM - 12:00 PMPresidential Ballroom
2013
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A NEW TEST OF THE PUNCTUATIONAL MODEL USING PRESENTLY RADIATING CLADES OF BIVALVE MOLLUSKS AND MAMMALS
8 Paleontology (Posters)Thursday, 2 May 20138:00 AM - 12:00 PMCourtyard
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ECOLOGY OF LATE MESOZOIC HETEROMORPHIC AMMONITES: A CASE FOR ALGAL SYMBIOSIS?
8 Paleontology (Posters)Thursday, 2 May 20138:00 AM - 12:00 PMCourtyard
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PERIODICITY AND THE CAUSES OF MAJOR EXTINCTIONS
12 Paleontology (Posters)Monday, 18 March 20138:00 AM - 12:00 PMGrand Ballroom South
2012
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LYELLIAN ANALYSIS OF THE GREAT AMERICAN FAUNAL INTERCHANGE IN FLORIDA
T101 Divided Oceans and Connected Continents: Advances in Geology and Paleontology of the Tropical Americas (Posters)Monday, 5 November 20129:00 AM - 6:00 PMHall B
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EFFECT OF SEAWATER CHEMISTRY ON NAUTILOID SHELL MINERALOGY DURING CALCITE SEAS
24 Paleontology (Posters)Tuesday, 24 April 20128:00 AM - 11:30 AMExhibit Hall 101/102
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RELATION OF CONTINENTAL VOLCANISM TO THE ORIGIN OF THE MODERN MARINE ECOSYSTEM
24 Paleontology (Posters)Tuesday, 24 April 20128:00 AM - 11:30 AMExhibit Hall 101/102
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DOES THE FOSSIL RECORD SUPPORT GRADUALISTIC OR RECTANGULAR EVOLUTION? DATA FROM GENERATION TIMES AND TAXONOMIC RATES
7 Paleontology (Posters)Sunday, 1 April 20128:00 AM - 12:00 PMGrand Ballroom
2011
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EVIDENCE FOR A NEOGENE REGIONAL MASS EXTINCTION OF REEF-BUILDING CORALS IN THE TROPICAL AMERICAS
99 Paleontology (Posters) II: Extinction and EnvironmentMonday, 10 October 20119:00 AM - 6:00 PMHall C
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FUNCTIONAL MORPHOLOGY AND EVOLUTION OF SWIMMING ABILITY IN PLANISPIRALLY COILED NAUTILOID MOLLUSKS
27 Paleontology (Posters) I: Ecology and PhylogenySunday, 9 October 20119:00 AM - 6:00 PMHall C
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DEFENSIVE ADAPTATIONS, TRENDS, AND SURVIVAL IN POST-PALEOZOIC NAUTILOID MOLLUSKS
7 Sedimentology and Paleoecology (Posters)Wednesday, 18 May 20118:00 AM - 6:00 PMGrand Ballroom
2010
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PHANEROZOIC DIVERSITY IN THE MARINE REALM: AN ANALYSIS OF ORDERS AND EVOLUTIONARY FAUNAS
102 Paleontology (Posters) III - Diversity and PaleoecologyMonday, 1 November 20108:00 AM - 6:00 PMHall D
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PUNCTUATIONAL EVOLUTION IN LIGHT OF THE GEOLOGIC RECORD: THE TEST OF LIVING FOSSILS REVISITED
102 Paleontology (Posters) III - Diversity and PaleoecologyMonday, 1 November 20108:00 AM - 6:00 PMHall D
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ESTIMATION OF TRUE TAXONOMIC LONGEVITIES FROM OBSERVED FOSSIL RANGES: A COMPARISON OF TWO METHODS
27 Sedimentology/Stratigraphy/Paleontology (Posters)Friday, 28 May 20108:30 AM - 12:00 PMPlatinum 5-6
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Cope′s Rule and Phylogenetic Trends in the Nautiloidea
27 Sedimentology/Stratigraphy/Paleontology (Posters)Friday, 28 May 20108:30 AM - 12:00 PMPlatinum 5-6
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DID THE PLIO-PLEISTOCENE ICE AGE TRIGGER THE EVOLUTION OF ADVANCED HOMINIDS?
66 Paleoclimatology (Posters)Tuesday, 16 March 20108:00 AM - 12:05 PMInternational ABCDF
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RATES AND PATTERNS OF DIVERSIFICATION IN THE HISTORY OF ANIMAL SKELETONS
9 Paleontology I, Paleozoic (Posters)Sunday, 14 March 20108:00 AM - 12:05 PMInternational ABCDF
2009
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THE ROLE OF BACKGROUND AND MASS EXTINCTIONS IN THE DECIMATION OF MORPHOLOGIC DISPARITY
245 Paleontology: Taphonomy, Diversity & Extinction (Posters)Wednesday, 21 October 20099:00 AM - 6:00 PMHall A
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HOW SUDDEN WAS THE GREAT DYING AT THE END OF THE PALEOZOIC ERA?
245 Paleontology: Taphonomy, Diversity & Extinction (Posters)Wednesday, 21 October 20099:00 AM - 6:00 PMHall A