Session No. 22
Monday, 22 April 2024: 1:30 PM-5:30 PM
Mojave Room, Oasis Hotel (Oasis Hotel & CC)
T31. Echinoderm Paleobiology: Evolution, Ecology, and Earth History
David Wright, Selina Cole, Elizabeth Petsios and Anne Raymond, Advocates
1:30 PM
MODELS PREDICT VOLATILITY, ECHINODERMS SUGGEST STABILITY: PENNSYLVANIAN Mg/Ca RATIOS IN THE WESTERN MIDCONTINENT SEA
CHRPA, Michelle, Department of Earth Sciences, University of Delaware, Newark, DE 19716 and RAYMOND, Anne, Department of Geology & Geophysics, Texas A&M University, College Station, TX 77843
1:50 PM
TAPHONOMY OF ECHINODERM OSSICLES IN COAL SWAMPS
RAYMOND, Anne, Department of Geology & Geophysics, Texas A&M University, College Station, TX 77843 and CHRPA, Michelle, Department of Earth Sciences, University of Delaware, Newark, DE 19716
2:10 PM
ECOLOGICAL AND SEDIMENTOLOGICAL CHARACTERIZATION OF AN EXTINCT FACIES: THE EARLY SILURIAN REGIONAL ENCRINITE, CHICOTTE FORMATION (ANTICOSTI ISLAND, QUEBEC, CANADA)
COLE, Selina1, WRIGHT, David1, AUSICH, William2 and DESROCHERS, André3, (1)Invertebrate Paleontology, Sam Noble Museum of Natural History, 2401 Chautauqua Ave., Norman, OK 73072; School of Geosciences, University of Oklahoma, Sarkeys Energy Center, 100 East Boyd Street, RM 710, Norman, OK 73019, (2)School of Earth Sciences, Ohio State University, 155 South Oval Mall, Columbus, OH 43210-1398, (3)Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, ON K1N 6N5, Canada
2:30 PM
PELMATOZOAN ECHINODERMS AS HOSTS TO PIT-FORMING PARASITES: PALEOECOLOGICALLY SIGNIFICANT EXAMPLES FROM THE MIDDLE PALEOZOIC
THOMKA, James, Center for Earth and Environmental Science, State University of New York at Plattsburgh, Plattsburgh, NY 12901, BRETT, Carlton E., Department of Geosciences, University of Cincinnati, Cincinnati, OH 45221, SCHRANTZ, Richard N., Kentucky Paleontological Society, Lexington, KY 40514 and BISSETT, Donald L., Dry Dredgers, Cincinnati, OH 45221
3:05 PM
“PSYCHO” ECHINOID SPINES – EVOLUTION THROUGH SPINE MORPHOSPACE IN CROWN GROUP CIDAROID ECHINOIDS
WATTS, Jerrad, Geosciences Department, Baylor University, One Bear Place #97354, Baylor University, Waco, TX 76798 and PETSIOS, Elizabeth, Department of Geosciences, Baylor University, One Bear Place #97354, Waco, TX 76798
3:25 PM
MORPHOSPACE OCCUPATION AND BIOMECHANICAL PERFORMANCE OF THE PERIGNATHIC GIRDLE IN JAWED ECHINOIDS
PETSIOS, Elizabeth, Geosciences Department, Baylor University, One Bear Place #97354, Baylor University, Waco, TX 76798 and THOMPSON, Jeffrey, Division of Biosciences, University College London, Darwin Building 99-105 Gower Street, London, WC1E 6BT, United Kingdom
3:45 PM
QUANTIFYING EVIDENCE FOR PUNCTUATED EQUILIBRIA WITH PROBABILISTIC PHYLOGENETICS AND THE ECHINODERM FOSSIL RECORD
WRIGHT, David, Invertebrate Paleontology, Sam Noble Museum of Natural History, 2401 Chautauqua Ave., Norman, OK 73072; School of Geosciences, University of Oklahoma, Sarkeys Energy Center, 100 East Boyd Street, RM 710, Norman, OK 73019