---

Activity

2023

• ESTIMATING THE NUMBER OF MORPHOLOGICAL RATE PARTITIONS IN A PHYLOGENETIC TREE
  T108 Phylogenetic and Computational Approaches in Paleobiology and Paleoecology (Posters)
  Monday, 16 October 2023

  8:00 AM - 5:30 PM

  Hall B

---

2022

• CONFIDENCE INTERVALS FOR THE DURATION OF A MASS EXTINCTION
  T170 Stratigraphic Paleobiology: Working with the Nature of the Stratigraphic Record to Address Paleobiological Questions (Posters)
  Tuesday, 11 October 2022

  9:00 AM - 1:00 PM

  Exhibit Hall F

---

2021

• WAS THE END-PERMIAN MASS EXTINCTION UNUSUALLY SELECTIVE IN MARINE ANIMALS? A TEST OF THE KNOLL ET AL. MODEL
  T214 Life's Innovations from the Early Earth to the Search on Modern Mars II: Honoring the Career of Andrew H. Knoll
  Wednesday, 13 October 2021

  8:00 AM - 12:00 PM

  Portland Ballroom 255 (Hybrid Room)

---

2020

• ORIGINATION, EXTINCTION, AND CHANGES IN THE PALEOECOLOGICAL COMPOSITION OF THE OCEANS DURING THE PHANEROZOIC
  T163 Surf to Sea, Small to Large, Bottom to Top: Ecosystem Perspectives on the Marine Fossil Record II
  Wednesday, 28 October 2020

  5:30 PM - 8:00 PM

  Meeting Rooms

---

2019

• ESTIMATING THE DURATION AND TEMPO OF THE CAMBRIAN EXPLOSION
  T293 Hello (Ancient) World!: Exploring the Neoproterozoic to Cambrian Interval by Quantitatively Probing the Rock Record
  Wednesday, 25 September 2019

  1:30 PM - 5:30 PM

  Room 226ABC, North Building
• SELECTIVITY OF EXTINCTION VERSUS RECOVERY: REINFORCEMENT, REVERSAL, AND RESHAPING OF BIOTIC CHANGE
  T222 Extinction Selectivity and Climate Change: How Are Patterns across Time, Space, Taxa, and Habitat Similar, and How Are They Different?
  Tuesday, 24 September 2019

  1:30 PM - 5:30 PM

  Room 227ABC, North Building
• ESTIMATING THE DURATION OF A MASS EXTINCTION ACCOUNTING FOR SIGNOR-LIPPS EFFECT
  194 D18. Paleontology: Diversity, Extinction, Origination (Posters)
  Tuesday, 24 September 2019

  9:00 AM - 6:30 PM

  Hall AB, North Building

---

2018

• ESTIMATING THE DURATION OF THE CAMBRIAN EXPLOSION
  257 D16. Paleontology, Macroevolution and Biogeography (Posters)
  Wednesday, 7 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• ARE WE ENTERING A SIXTH MASS EXTINCTION? AGE SELECTIVITY OF MODERN EXTINCTIONS
  257 D16. Paleontology, Macroevolution and Biogeography (Posters)
  Wednesday, 7 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• COMPARING THE AGE SELECTIVITY OF MODERN EXTINCTIONS WITH PHANEROZOIC BACKGROUND AND MASS EXTINCTIONS
  73 D18. Paleontology, Extinctions and Paleoecology
  Monday, 5 November 2018

  8:00 AM - 12:00 PM

  Room 141

---

2017

• ACCOUNTING FOR DATING UNCERTAINTY IN PALEONTOLOGICAL ANALYSES
  T99 Advances in Computational Paleobiology: Reshaping Our Understanding of the Fossil Record
  Monday, 23 October 2017

  8:00 AM - 12:00 PM

  Room 608
• A UNIFIED QUANTITATIVE FRAMEWORK LINKING EXTINCTION MAGNITUDE, SELECTIVITY, AND EFFECT ON BIOTIC COMPOSITION
  T100 Studies in Paleobiology and Paleoecology I: In Honor of Professor David J. Bottjer
  Monday, 23 October 2017

  8:00 AM - 12:00 PM

  Room 607

---

2016

• FOSSIL-BASED DATING OF THE DIVERGENCE OF HOMINOIDEA AND CERCOPITHECOIDEA
  T289 New Approaches to Phylogenetic Paleobiology
  Wednesday, 28 September 2016

  8:00 AM - 12:00 PM

  Mile High Ballroom 4AB
• TAXON AGE SELECTIVITY IN MODERN EXTINCTIONS
  76 Paleontology, Diversity, Extinction, Origination (Posters)
  Sunday, 25 September 2016

  9:00 AM - 5:30 PM

  Exhibit Hall E/F
• ARE DEAD CLADE WALKING VICTIMS OR SURVIVORS?
  76 Paleontology, Diversity, Extinction, Origination (Posters)
  Sunday, 25 September 2016

  9:00 AM - 5:30 PM

  Exhibit Hall E/F
• ACCOUNTING FOR THE SIGNOR-LIPPS EFFECT IN ESTIMATING THE DURATION AND NUMBER OF PULSES IN THE CAMBRIAN EXPLOSION
  76 Paleontology, Diversity, Extinction, Origination (Posters)
  Sunday, 25 September 2016

  9:00 AM - 5:30 PM

  Exhibit Hall E/F

---

2015

• ADAPTIVE CREDIBLE INTERVALS ON STRATIGRAPHIC RANGES WHEN RECOVERY POTENTIAL IS UNKNOWN
  265 Paleontology: Go Big or Go Home: Fossil Range Sizes and Body Sizes
  Wednesday, 4 November 2015

  8:00 AM - 12:00 PM

  Room 310
• FOSSIL-BASED DATING OF THE DIVERGENCE OF HOMINOIDEA AND CERCOPITHECOIDEA
  125 Paleontology: The Role of Collections in Diversity, Databases, and Museums (Posters)
  Monday, 2 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• INFERRING PRIMARY EXTINCTION LEVELS IN LATE PERMIAN FOOD WEBS USING APPROXIMATE BAYESIAN COMPUTATION
  42 Paleontology: The Analytical Toolkit: Evaluating Bias, Specimens, and Relationships (Posters)
  Sunday, 1 November 2015

  9:00 AM - 5:30 PM

  Exhibit Hall
• ACCOUNTING FOR THE SIGNOR-LIPPS EFFECT IN ESTIMATING THE DURATION AND NUMBER OF PULSES IN THE CAMBRIAN EXPLOSION
  42 Paleontology: The Analytical Toolkit: Evaluating Bias, Specimens, and Relationships (Posters)
  Sunday, 1 November 2015

  9:00 AM - 5:30 PM

  Exhibit Hall

---

2014

• ESTIMATING THE DURATION AND TEMPO OF THE CAMBRIAN EXPLOSION
  146 Paleontology: New Insights from Quantitative Paleobiology
  Monday, 20 October 2014

  1:00 PM - 5:00 PM

  220

---

2013

• VISUALIZING LARGE-SCALE TRENDS USING TIME-VARYING CHANGE-VS-ANCESTOR PLOTS
  302 Macroevolutionary and Macroecological Trends
  Wednesday, 30 October 2013

  8:00 AM - 12:00 PM

  Mile High Ballroom 1CD
• POSSIBLE SCALE-BEARING PROTISTS IN THE MID-NEOPROTEROZOIC CHUAR GROUP, GRAND CANYON, AND UINTA MOUNTAIN GROUP, UTAH
  300 Early Life and Taphonomy
  Wednesday, 30 October 2013

  8:00 AM - 12:00 PM

  Mile High Ballroom 1EF
• ESTIMATING THE TEMPO OF THE CAMBRIAN EXPLOSION
  36 Phylogeny, Morphology and Evolution (Posters)
  Sunday, 27 October 2013

  9:00 AM - 6:30 PM

  Hall D

---

2012

• ESTIMATING THE NUMBER OF PULSES IN A MASS EXTINCTION
  67 Paleontology: Extinction, Origination and Recovery
  Monday, 5 November 2012

  8:00 AM - 12:00 PM

  217A
• CONODONT BODY SIZE AND DIVERSITY TRENDS AFTER THE END-PERMIAN EXTINCTION: IMPLICATIONS FOR THE RECOVERY OF PELAGIC VS. BENTHIC MARINE ECOSYSTEMS
  T59 The Big Kill: Paleobiological, Geochemical, and Modeling Studies of the Permian–Triassic Boundary Mass Extinction II
  Sunday, 4 November 2012

  1:30 PM - 5:30 PM

  217BC

---

2011

• WITHIN- AND AMONG-GENUS COMPONENTS OF FORAMINIFERAN SIZE DYNAMICS DURING MASS EXTINCTION, RECOVERY, AND BACKGROUND INTERVALS
  T231 Frontiers in Foraminiferal Research I: Biology/Ecology/Paleoecology
  Wednesday, 12 October 2011

  8:00 AM - 12:00 PM

  Room 200H-J
• ESTIMATING THE NUMBER OF PULSES IN A MASS EXTINCTION
  99 Paleontology (Posters) II: Extinction and Environment
  Monday, 10 October 2011

  9:00 AM - 6:00 PM

  Hall C

---

2010

• COMPARATIVE SIZE EVOLUTION OF MARINE CLADES FROM THE LATE PERMIAN THROUGH MIDDLE TRIASSIC
  200 Paleontology VII - Consequences of Extinction and Radiation
  Tuesday, 2 November 2010

  1:30 PM - 5:30 PM

  Room 605
• ESTIMATING THE DURATION OF A MASS EXTINCTION
  102 Paleontology (Posters) III - Diversity and Paleoecology
  Monday, 1 November 2010

  8:00 AM - 6:00 PM

  Hall D
• NO CONSISTENT ASSOCIATION BETWEEN TEST SIZE AND EXTINCTION RISK IN FORAMINIFERA
  102 Paleontology (Posters) III - Diversity and Paleoecology
  Monday, 1 November 2010

  8:00 AM - 6:00 PM

  Hall D
• ATMOSPHERIC OXYGEN CONCENTRATION CONTROLS THE SIZE HISTORY OF FORAMINIFERS
  77 Paleontology IV - Environmental Controls on Ecology and Evolution
  Monday, 1 November 2010

  8:00 AM - 12:00 PM

  Room 605

---

2009

• A FAST ALGORITHM FOR ESTIMATING THE DURATION OF A MASS EXTINCTION
  245 Paleontology: Taphonomy, Diversity & Extinction (Posters)
  Wednesday, 21 October 2009

  9:00 AM - 6:00 PM

  Hall A
• NO GENERAL RELATIONSHIP BETWEEN BODY SIZE AND EXTINCTION RISK IN THE FOSSIL RECORD OF MARINE INVERTEBRATES AND PHYTOPLANKTON
  196 Paleontology: Macroevolution & Macroecology
  Tuesday, 20 October 2009

  1:30 PM - 5:30 PM

  Portland Ballroom 256
• CONFIDENCE INTERVALS FOR THE DURATION OF A MASS EXTINCTION
  50 Paleontology: Extinction & Turnover
  Sunday, 18 October 2009

  1:30 PM - 5:30 PM

  Portland Ballroom 256
• THE GEOZOIC: AN INFORMAL SUPEREON AND A TERMINOLOGICAL CONVENIENCE
  50 Paleontology: Extinction & Turnover
  Sunday, 18 October 2009

  1:30 PM - 5:30 PM

  Portland Ballroom 256

---

2008

• Coping with Recovery: Community Sensitivity and Resistance in the Wake of Mass Extinction
  T285 Recoveries from Mass Extinction: Patterns, Processes, and Comparisons I
  Wednesday, 8 October 2008

  8:00 AM - 12:00 PM
• Confidence Intervals on Stratigraphic Ranges When Recovery Potential Is Unknown
  179 Paleontology I - Macroevolution, Diversity, and Biogeography
  Monday, 6 October 2008

  8:00 AM - 12:00 PM
• The Perturbation Resistance of Early Permian Terrestrial Communities Characterized by Low Tetrapod Herbivore Diversity
  179 Paleontology I - Macroevolution, Diversity, and Biogeography
  Monday, 6 October 2008

  8:00 AM - 12:00 PM

---

2007

• ADJUSTING EXTINCTION RATES FOR TAXONOMIC SUSCEPTIBILITY
  T136 Selectivity of Ancient and Modern Extinctions: Bridging the Gap Between Neontological Prediction and Paleontological Observation
  Tuesday, 30 October 2007

  8:00 AM - 12:00 PM
• DOES EXTINCTION RESISTANCE EXPLAIN CHANGES IN THE STRUCTURE OF TERRESTRIAL COMMUNITIES?
  T136 Selectivity of Ancient and Modern Extinctions: Bridging the Gap Between Neontological Prediction and Paleontological Observation
  Tuesday, 30 October 2007

  8:00 AM - 12:00 PM
• WHY ARE GENUS EXTINCTIONS AGE-BIASED IN THE MARINE FOSSIL RECORD?
  T136 Selectivity of Ancient and Modern Extinctions: Bridging the Gap Between Neontological Prediction and Paleontological Observation
  Tuesday, 30 October 2007

  8:00 AM - 12:00 PM

---

2006

• MODELING TERRESTRIAL FOOD WEB COLLAPSE IN THE END-PERMIAN EXTINCTION
  63 Paleontology/Paleobotany II: Diversity, Turnover, and Extinction
  Monday, 23 October 2006

  8:00 AM - 12:00 PM
• SENSITIVITY ANALYSIS OF FOOD WEB MODELS FOR PERMIAN AND TRIASSIC TERRESTRIAL COMMUNITIES OF THE KAROO BASIN, SOUTH AFRICA
  63 Paleontology/Paleobotany II: Diversity, Turnover, and Extinction
  Monday, 23 October 2006

  8:00 AM - 12:00 PM
• PREDICTING PALEOCOMMUNITY RESISTANCE TO PERTURBATION AND EXTINCTION CASCADES
  63 Paleontology/Paleobotany II: Diversity, Turnover, and Extinction
  Monday, 23 October 2006

  8:00 AM - 12:00 PM
• THE IMPACT OF VARIABLE FOSSILIZATION ON RECONSTRUCTIONS OF PALEOCOMMUNITIES AND COMMUNITY DYNAMICS: THE SAN FRANCISCO BAY COMMUNITY
  23 Paleontology/Paleobotany (Posters) I: Paleoecology, Taphonomy, and Early Life
  Sunday, 22 October 2006

  8:00 AM - 12:00 PM
• MODELING TERRESTRIAL FOOD WEB COLLAPSE IN THE END-PERMIAN EXTINCTION
  11 All Things Paleo: Diversity, Ecology, Morphology, Phylogeny and Taphonomy
  Thursday, 20 April 2006

  1:20 PM - 5:40 PM

---

2005

• BAYESIAN MODELING OF THE DURATION OF A MULTI-STAGE MASS EXTINCTION EVENT
  169 Paleontology V: Extinction—Theory and Observation
  Tuesday, 18 October 2005

  1:30 PM - 5:30 PM
• MATHEMATICAL MODELING AND BAYESIAN ANALYSIS OF PALEOCOMMUNITY COLLAPSE DURING MASS EXTINCTIONS
  169 Paleontology V: Extinction—Theory and Observation
  Tuesday, 18 October 2005

  1:30 PM - 5:30 PM

---

2004

• ESTIMATING ABSOLUTE DIVERSITY: HOW MANY DINOSAUR GENERA WERE THERE?
  196 Paleontology IX: Perspectives on Diversity
  Wednesday, 10 November 2004

  8:00 AM - 12:00 PM

---

2003

• ON THE CONTINUITY OF BACKGROUND AND MASS EXTINCTION
  T146 Understanding Late Devonian and Permian-Triassic Biotic and Climatic Events: Towards an Integrated Approach II
  Tuesday, 4 November 2003

  8:00 AM - 12:00 PM

---

Date Unknown

• Comparing Methods for Confidence Intervals on Stratigraphic Ranges Under Non-Uniform Recovery Potential
  144 Paleontology (Posters) I - Diversity, Evolution, and Biogeography
• Estimating the Magnitude of Primary Production Loss in the End-Permian Mass Extinction
  144 Paleontology (Posters) I - Diversity, Evolution, and Biogeography
• MARKOV CHAIN MONTE CARLO: NEW TOOLS FOR BAYESIAN MODELING IN PALEONTOLOGY
  230 Paleontology/Paleobotany (Posters) II: Fossils in Time, Space, and Morphospace