2004 Denver Annual Meeting (November 7–10, 2004)
Session No. 226 Wednesday, 10 November 2004
1:30 PM-5:30 PM, Colorado Convention Center: 104/106

Paleontology XI: Species Concepts and Phylogenetic Relationships

Colin Sumrall and Derek Briggs, Presiding
 Paper #Start Time
226-11:30 PM DIVERSITY OF CRETACEOUS CONIFERS: A NEW SPECIES WITH POLLEN CONES THAT BEAR ADAXIAL POLLEN SACS AND POLLEN WITH FEATURES OF THE TAXODIACEOUS CONIFERS: SANDERS, Heather L.1, ROTHWELL, Gar W1, and STOCKEY, Ruth A.2, (1) Environmental & Plant Biology, Ohio Univ, Porter Hall, Athens, OH 45701, hs288303@ohio.edu, (2) Department of Biological Sciences, Univ of Alberta, Edmonton, AB T6G 2E9
226-21:45 PM CHANGING PHYLOGENIES THROUGH TIME: A REVIEW OF THE SPHENODONTIA WITH INSIGHTS FROM SUPERMATRICES AND SUPERTREES: HEATHCOTE, Julia F., 1 Central Avenue, Hucknall, Nottingham NG15 7JJ United Kingdom, julia@juliaheathcote.com
226-32:00 PM EVOLUTION AND BIOSTRATIGRAPHY OF MIDDLE ORDOVICIAN RADIOLARIANS: MALETZ, Jorg, Department of Geology, SUNY at Buffalo, Buffalo, NY 14260, jorgm@acsu.buffalo.edu and BRUTON, David L., PMO Oslo, Sars gate 1, Oslo, N-0562, Norway
226-42:15 PM VARIATION AND STRATIGRAPHIC DISTRIBUTION OF ALLOSAURUS WITHIN THE LATE JURASSIC MORRISON FORMATION: LOEWEN, Mark A., Utah Museum of Natural History and Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, maloewen@mines.utah.edu
226-52:30 PM HETEROSPOROUS FERNS: PHYLOGENY, ORIGIN AND RADIATION: LUPIA, Richard1, NOWAK, Michael2, SCHNEIDER, Harald3, NAGALINGUM, Nathalie3, and PRYER, Kathleen3, (1) Sam Noble Oklahoma Museum of Natural History/School of Geology and Geophysics, Univ of Oklahoma, Norman, OK 73072, rlupia@ou.edu, (2) Botany and Microbiology, Univ of Oklahoma, Norman, OK 73019, (3) Department of Biology, Duke Univ, Durham, NC 27708
226-62:45 PM MORPHOLOGY AND PHYLOGENETIC RELATIONSHIPS OF THE LASIOGRAPTINAE (DIPLOGRAPTACEA): ITERATIVE AND DRIVEN TRENDS IN THE EVOLUTION OF “RETIOLITE-TYPE" GRAPTOLITE COLONIES: MITCHELL, Charles E., Dept. of Geology, Univ. at Buffalo, SUNY, Buffalo, NY 14260, cem@geology.buffalo.edu and GOLDMAN, Daniel, Geology, Univ of Dayton, 300 College Park, Dayton, OH 45469
226-73:00 PM A NEW MODEL FOR PLATE HOMOLOGY IN BLASTOZOAN ECHINODERMS: SUMRALL, Colin D., Earth and Planetary Science, The Univ of Tennessee, Knoxville, TN 37996, csumrall@utk.edu
 3:15 PM Break
226-83:30 PM MORPHOLOGY AND PHYLOGENY OF THE DICRANOGRAPTIDAE: SOLVING A LONG STANDING PROBLEM IN GRAPTOLITE SYSTEMATICS: GOLDMAN, Daniel, Geology, Univ of Dayton, 300 College Park, Dayton, OH 45469, dan.goldman@notes.udayton.edu, MITCHELL, Charles E., Dept. of Geology, Univ. at Buffalo, SUNY, Buffalo, NY 14260, and KLOSTERMAN, Susan L., Department of Geological Sciences, Wright State Univ, 1640 Colonel Glenn Hwy, Dayton, OH 45435
226-93:45 PM OVERLAPPING SPECIES BOUNDARIES AND RETICULATE EVOLUTION IN REEF CORALS: EVIDENCE FROM THE FOSSIL RECORD: BUDD, Ann F., Department of Geoscience, Univ. of Iowa, Iowa City, IA 52242, ann-budd@uiowa.edu and PANDOLFI, John M., Centre for Marine Studies and Department of Earth Sciences, Univ of Queensland, Brisbane, QLD 4072, Australia
226-104:00 PM EXAMINING PATTERNS OF TAXONOMIC AND PHYLOGENETIC EXTINCTION SELECTIVITY IN PALEOZOIC TEREBRATULIDE BRACHIOPODS: CARLSON, Sandra J.1, FITZGERALD, Paul C.1, LEIGHTON, Lindsey R.2, and KAPLAN, Peter A.1, (1) Geology, Univ of California, Davis, One Shields Ave, Davis, CA 95616, carlson@geology.ucdavis.edu, (2) Department of Geological Sciences and Allison Center for Marine Research, San Diego State Univ, 5500 Campanile Dr, San Diego, CA 92182-1020
226-114:15 PM FOSSIL AND MOLECULAR EVIDENCE FOR THE TIMING OF MILLIPEDE CLADOGENESIS IN THE PALEOZOIC: WILSON, Heather M., Geology and Geophysics, Yale Univ, Kline Geology Laboratory, P.O. Box 208109, New Haven, CT 06520-8109, heather.wilson@yale.edu
226-124:30 PM AFFINITIES OF THE LOWER SILURIAN WAUKESHA ‘MYRIAPOD’: WILSON, H.M.1, BRIGGS, D.E.G.1, MIKULIC, D.G.2, and KLUESSENDORF, J.3, (1) Geology & Geophysics, Yale Univ, PO Box 208109, New Haven, CT 06520-8109, derek.briggs@yale.edu, (2) Illinois State Geol Survey, 615 E. Peabody, Champaign, IL 61820, (3) Weis Earth Science Museum, Univ of Wisconsin, Fox Valley, 1478 Midway Road, Menasha, WI 54952
226-134:45 PM A SILURIAN SEA SPIDER: SIVETER, Derek J.1, SUTTON, Mark D.1, BRIGGS, Derek E.G.2, and SIVETER, David J.3, (1) Department of Earth Sciences, Univ of Oxford, Parks Road, Oxford, OX1 3PR, derek.siveter@earth.ox.ac.uk, (2) Department of Geology and Geophysics, Univ of Yale, P.O. Box 208109, New Haven, CT06520-8109, (3) Department of Geology, Univ of Leicester, University Road, Leicester, LE1 7RH
226-145:00 PM THE HUNSRÜCK SLATE (LOWER DEVONIAN, LOWER EMSIAN) IN THE CONTEXT OF THE PALEOZOIC HISTORY OF THE OPHIUROIDEA (ECHINODERMATA): GLASS, Alexander and BLAKE, Daniel B., Department of Geology, Univ of Illinois, Urbana, IL 61801-2919, aglass@uiuc.edu
226-155:15 PM TRANSITORY PYGIDIA IN HINTZEIA SP. NOV. AND THE DYNAMICS OF THE POSTERIOR “TAGMA” IN TRILOBITES: SIMPSON, Andrew G.1, HUGHES, Nigel C.1, and KOPASKA-MERKEL, David2, (1) Earth Sciences, Univ of California Riverside, Riverside, CA 92507, asimp001@ucr.edu, (2) Geol Survey of Alabama, 420 Hackberry Lane, Tuscaloosa, AL 35486

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