---

Activity

2022

• TEACHING PUNCTUATED EQUILIBRIUM VS. PHYLETIC GRADUALISM:1972-2012
  T86 Punctuated Equilibrium I: 50 Years Later
  Monday, 10 October 2022

  8:00 AM - 12:00 PM

  Mile High Ballroom 4B

---

2021

• REEVALUATION OF EARLY MIDDLE CAMBRIAN EOCRINOIDS PERIDIONITES AND CYMBIONITES AND TWO NEW ECHINODERMS FROM THE THORNTONIA LIMESTONE, NORTHWEST QUEENSLAND, AUSTRALIA
  T142 Stratigraphy, Stasis, and Shales I
  Tuesday, 12 October 2021

  8:00 AM - 12:00 PM

  E143/E144

---

2015

• BEACH SAND RESTORATION PROJECT ON TOPSAIL ISLAND, NORTH CAROLINA, YIELDS OLIGOCENE FAUNA WITH UNUSUAL PRESERVATION, INCLUDING COLOR RETENTION
  327 Paleontology: Building the Fossil Record: Taphonomic and Paleoecological Controls on Fossilization
  Wednesday, 4 November 2015

  1:30 PM - 5:30 PM

  Room 315

---

2014

• GIANT, SPIRALED, SPINE-BEARING EDRIOASTEROID FROM THE UPPER ORDOVICIAN BROMIDE FORMATION OF OKLAHOMA
  T55 Echinoderm Paleobiology: Phylogenetics, Morphology, and Evolutionary Paleoecology (Posters)
  Sunday, 19 October 2014

  9:00 AM - 5:00 PM

  Exhibition Hall C

---

2013

• MULTIPLE CROSSOVERS BETWEEN MONOCYCLIC AND DICYCLIC CUP DESIGNS: EXPERIMENTATION AND PLASTICITY IN EARLY CRINOID PHYLOGENY
  194 Morphology and Phylogeny
  Tuesday, 29 October 2013

  8:00 AM - 12:00 PM

  Mile High Ballroom 1EF
• AGAINST HOMOLOGY OF CRINOID AND BLASTOZOAN ORAL PLATES
  8 Paleontology (Posters)
  Thursday, 2 May 2013

  8:00 AM - 12:00 PM

  Courtyard
• EARLY ORDOVICIAN STROMATOLITE MOUND AND REEF INTERVALS IN THE IBEX AREA OF WEST-CENTRAL UTAH
  5 Reefs and Reef-Like Buildups of North America: Modern and Deep-Time Biological and Climate Records and Exploration Potential
  Thursday, 4 April 2013

  8:00 AM - 12:00 PM

  Classroom 201

---

2012

• SPECTACULAR SUMMIT STRUCTURES IN THE MIDDLE CAMBRIAN EOCRINOID GOGIA FROM NORTHERN UTAH
  44 Paleontology: Morphological Trends
  Sunday, 4 November 2012

  1:30 PM - 5:30 PM

  217D

---

2011

• THE COMPLETE STEM AND HOLDFAST OF THE EARLY ORDOVICIAN CRINOID TITANOCRINUS AND ITS DEVELOPMENT
  27 Paleontology (Posters) I: Ecology and Phylogeny
  Sunday, 9 October 2011

  9:00 AM - 6:00 PM

  Hall C
• ORIGIN OF HEMICOSMITID RHOMBIFERANS AND IMPLICATIONS FOR RHOMBIFERAN PHYLOGENY AND CLASSIFICATION
  27 Paleontology (Posters) I: Ecology and Phylogeny
  Sunday, 9 October 2011

  9:00 AM - 6:00 PM

  Hall C

---

2010

• THE FIRST OCCURRENCE OF BLASTOZOAN EXOTHECAL AMBULACRA IN MIDDLE CAMBRIAN LYRACYSTID EOCRINOIDS FROM BRITISH COLUMBIA, CANADA AND GUIZHOU PROVINCE, CHINA
  32 Paleontology (Posters) I - Morphology and Biotic Interactions
  Sunday, 31 October 2010

  8:00 AM - 6:00 PM

  Hall D

---

2009

• NEW MIDDLE CAMBRIAN EDRIOASTEROID FROM THE SPENCE SHALE OF NORTHERN UTAH
  8 New Developments and Discoveries in Paleozoic Stratigraphy and Paleontology in the Rocky Mountains and Basin and Range
  Tuesday, 12 May 2009

  8:00 AM - 12:00 PM

---

2007

• AN EQUILIBRIUM THEORY OF ECHINOID PLATE GEOMETRY
  184 Paleontology VII: Phylogeny and Morphology
  Wednesday, 31 October 2007

  8:00 AM - 12:00 PM

---

2006

• GARDEN CITY OF ECHINODERMS: A NEW EARLY ORDOVICIAN LAGERSTÄTTE FROM IDAHO AND UTAH
  155 Paleontology/Paleobotany VII: Phylogeny, Systematics, and Evolution
  Tuesday, 24 October 2006

  1:30 PM - 5:30 PM

---

2004

• AN EDRIOASTEROID-ACROTHORACIC BARNACLE-DOMINATED COMMUNITY ATTACHED TO PENNSYLVANIAN EXTRAFORMATIONAL CONGLOMERATE CLASTS
  T39 Marine Hard Substrates: Colonization and Evolution
  Sunday, 7 November 2004

  1:30 PM - 5:30 PM
• ORIGIN AND DIVERGENCE OF HARD-SUBSTRATE ATTACHMENT STRUCTURES IN EARLY ECHINODERMS
  T39 Marine Hard Substrates: Colonization and Evolution
  Sunday, 7 November 2004

  1:30 PM - 5:30 PM

---

2001

• ORIGIN OF STANDARDIZED CUP AND POSTERIOR PLATING IN EARLY CRINOIDS
  104 Marine Invertebrate Paleontology I
  Wednesday, 7 November 2001

  8:00 AM - 12:00 PM