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Session | Date/Time | Location | Title | Type | Authors | Keywords |
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Monday, July 27th |
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PAL1001 | July 27th 10:00 am | Virtual/Virtual | Potential secondary phloem in Stigmaria and long-distance sugar transport in arborescent lycopsids | Oral Paper | DAntonio, Michael; Boyce, C. Kevin. | Lepidodendron Sigillaria Phloem Sugar transport plant physiology |
PAL1002 | July 27th 10:15 am | Virtual/Virtual | Permineralized gametophytes from Vancouver Island reveal that peat mosses (Class Sphagnopsida) were anatomically diverse by the Late Cretaceous | Oral Paper | Bippus, Alexander; Stockey, Ruth; Rothwell, Gar; Rothwell, Gar. | fossil moss Cretaceous Sphagnum bryophyte |
PAL1003 | July 27th 10:30 am | Virtual/Virtual | Cunonicaceae from the Late Cretaceous of North America and its paleobiogeographic implications | Oral Paper | Tang, Keana; Atkinson, Brian; Smith, Selena. | Cunoniaceae Ceratopetalum Late Cretaceous fossil fruits Sucia Island |
PAL1004 | July 27th 10:45 am | Virtual/Virtual | Illigera fruits from the Miocene of Alum Bluff, northwestern Florida | Oral Paper | Zhu, Hai; Manchester, Steven; Lott, Terry. | eastern North America Fort Preston Formation Hernandiaceae megafossil winged fruit Tropical |
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PAL2001 | July 27th 12:45 pm | Virtual/Virtual | The role of grasslands in the evolution of seed dispersal strategy in the Poaceae | Oral Paper | Brightly, William; Stromberg, Caroline; Christin, Pascal-Antoine; Bianconi, Matheus. | seed dispersal Grasses grassland |
PAL2002 | July 27th 1:00 pm | Virtual/Virtual | Decoding leaf characters that drive family level identification through computer vision | Oral Paper | Spagnuolo, Edward; Wilf, Peter. | Leaf Architecture Machine Vision Fossil Leaves Fagaceae Rubiaceae Fabaceae Salicaceae Sapindaceae Ericaceae Rosaceae Paleobotany Fossil Identification |
PAL2003 | July 27th 1:15 pm | Virtual/Virtual | A critical reassessment of angiosperms' role in insect diversification | Oral Paper | Schachat, Sandra R.. | Cretaceous gymnosperm plant-insect interactions insect pollination Insects |
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| July 27th 6:00 pm | Virtual/Virtual | Paleobotany Mixer | | | |
Tuesday, July 28th |
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PAL3001 | July 28th 10:00 am | Virtual/Virtual | Novel leaf morphology and variation in foliage similar to Rhacopteris from the Early Carboniferous Price Formation, southwestern Virginia, USA | Oral Paper | Gensel, Patricia; Knier, Aubrey. | Early Carboniferous foliage |
PAL3002 | July 28th 10:15 am | Virtual/Virtual | Reconstruction of the Whole Plant Tetrastichia bupatides Gordon from the Devonian/Mississippian boundary of Scotland and Ireland | Oral Paper | Dunn, Michael; Rothwell, Gar; Rothwell, Gar; Scott, Andrew. | Hydrasperman seed fern Devonian/Mississippian boundary Whole plant reconstruction |
PAL3003 | July 28th 10:30 am | Virtual/Virtual | A review of the Early Mississippian anatomically preserved flora from Montagne Noire, France | Oral Paper | Decombeix, Anne-Laure; Galtier, Jean; Meyer-Berthaud, Brigitte; Prestianni, Cyrille; Rowe, Nicholas; Harper, Carla. | Carboniferous France anatomy Paleobotany Tournaisian |
PAL3004 | July 28th 10:45 am | Virtual/Virtual | Microspores in macroplant fossils from the Triassic of Central Europe | Oral Paper | Kustatscher, Evelyn; Nowak, Hendrik. | In situ spores Triassic Ferns intraspecific variability |
PAL3005 | July 28th 11:00 am | Virtual/Virtual | New gymnosperm reproductive organs of possible gnetalean affinity from the Upper Jurassic of the Morrison Formation in southern Utah | Oral Paper | Manchester, Steven; Doyle, James; Hotton, Carol; Zhang, Xiaoqing; Wing, Scott. | Gnetales reproductive organs Jurassic Utah |
PAL3006 | July 28th 11:15 am | Virtual/Virtual | Evolutionary diversification of Cretaceous taiwanioid Cupressaceae | Oral Paper | Rothwell, Gar; Rothwell, Gar; Stockey, Ruth; Smith, Selena. | anatomy Cupressaceae Late Cretaceous Seed Cone Taiwanioideae |
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PAL4001 | July 28th 12:30 pm | Virtual/Virtual | A new physaloid fruit fossil from Patagonia and the evolutionary history of nightshades | Oral Paper | Deanna, Rocio; Deanna, Rocio; Deanna, Rocio; Wilf, Peter; Gandolfo, Maria. | Argentina Eocene Fossils fruiting calyx Laguna del Hunco Physalis Solanaceae |
PAL4002 | July 28th 12:45 pm | Virtual/Virtual | Paleoclimatic inference based on angiosperm wood anatomy from El Bosque Formation (Eocene), Chiapas, Mexico | Oral Paper | Perez Lara, Diana Karen; Estrada-Ruiz, Emilio; Casta�eda-Posadas, Carlos. | Paleobotany Fossil Wood wood anatomy Eocene Paleoclimatic inference |
PAL4003 | July 28th 1:00 pm | Virtual/Virtual | Exceptionally rich spinescence fossils from the late Oligocene of central Tibetan Plateau and its environmental implications | Oral Paper | Zhang, Xinwen; Gelin, Uriel; Li, Shufeng; Liu, Jia; Zhou, Zhekun; Su, Tao. | Spinescences functional traits Fossils Tibetan Plateau Late Oligocene Model |
PAL4004 | July 28th 1:15 pm | Virtual/Virtual | Fossil fruits of Nyssa and associated fungi from the late Oligocene of South China | Oral Paper | Xu, Shenglan; Kodrul, Tatiana; Maslova, Natalia; Tobias, Anna; Quan, Cheng; Jin, Jianhua. | Nyssa Amphisphaeria Late Oligocene Nanning Basin South China |
PAL4005 | July 28th 1:30 pm | Virtual/Virtual | Late Oligocene fruiting catkins of Alnus from Guangxi, South China: The lowest latitudinal distributed fossil record | Oral Paper | Liu, Xiaoyan; Quan, Cheng; Jin, Jianhua. | Late Oligocene fruiting catkins Alnus South China paleogeography |
PAL4006 | July 28th 1:45 pm | Virtual/Virtual | Araucarioid fossil wood from the late Oligocene - early Miocene of Hainan Island: the most ancient evidence of the genus Agathis in eastern Asia | Oral Paper | Oskolski, Alexei; Stepanova , Anna; Huang, Luliang; Jin, Jianhua. | Agathis Araucariaceae Oligocene Miocene Fossil Wood Biogeography South China Hainan wood anatomy |
PAL4007 | July 28th 2:00 pm | Virtual/Virtual | Paleobotanical Reconnaissance of Brunei | Oral Paper | Wilf, Peter; Zou, Xiaoyu; Donovan, MIchael P.; Kocsis, László; Briguglio, Antonino; Shaw, David; Lambiase, Joseph J.. | Borneo Neogene Paleobotany Palynology Dipterocarpaceae Pliocene Malesia Rainforests Ferns Mangroves |
PAL4008 | July 28th 2:15 pm | Virtual/Virtual | Fossil Passiflora seeds from Gray Fossil Site (Pliocene, Tennessee, U.S.A.) | Oral Paper | Hermsen, Elizabeth J.. | Passiflora Passifloroideae Neogene |
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PAL5001 | July 28th 3:00 pm | Virtual/Virtual | Cycad Teratology | Oral Paper | Stevenson, Dennis. | cycads teratism fasciation chimera |
PAL5002 | July 28th 3:15 pm | Virtual/Virtual | Pollen malformations as indicators of past environmental stress: Comparing background variation with heightened UV-B exposure in modern conifers | Oral Paper | Benca, Jeffrey; Duijnstee, Ivo; Looy, Cindy. | pollen Abiotic stress UV-B Saccate Conifers Mass extinctions End-Permian |
PAL5003 | July 28th 3:30 pm | Virtual/Virtual | Leaf architecture in extant Cannabaceae with a review of select leaf fossils previously assigned to the family | Oral Paper | Allen, Sarah; Stull, Gregory W.. | Paleobotany leaf architecture Fossil Leaves Cannabaceae Rosales |
PAL5004 | July 28th 3:45 pm | Virtual/Virtual | 2D computer vision and 3D geometric morphometric shape analysis of grass silica short cell phytoliths (GSSCP): strengths and weaknesses of these approaches and implications for grass biogeography | Oral Paper | Gallaher, Timothy; Perry, Jessica ; Zhang, Jifan; Meng, Xiangyun; Jamieson, Kevin; Strömberg, Caroline. | Poaceae Phytolith fossil Morphometrics Machine Learning Biogeography |
PAL5005 | July 28th 4:00 pm | Virtual/Virtual | Weathering, nutrient fluxes, and the long-term consequences of coal for the evolution of nitrogen-based symbioses | Oral Paper | Boyce, C. Kevin; Ibarra, Daniel E.; Nelsen, Matthew; DAntonio, Michael. | |
Wednesday, July 29th |
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PPB001 | July 29th 5:00 pm | Virtual/Virtual | Protocedroxylon from the marine shales of the Upper Jurassic Knoxville Formation, Tehama County, California | Poster: Paleobotany | Richmond, Dean; Lupia, Richard; Philippe, Marc. | Protocedroxylon Knoxville Formation Jurassic California |
PPB002 | July 29th 5:00 pm | Virtual/Virtual | Paleoenvironmental and Taphonomic Implications of a Palynological Sample from the Forest Hill Formation | Poster: Paleobotany | Baghai-Riding, Nina; Starnes, James; Axsmith, Brian; Hotton, Carol; Hunsucker, Myrtle. | Oligocene Bucatunna Formation pollen spores palynomorphs |
PPB003 | July 29th 5:00 pm | Virtual/Virtual | The First Fossil Leaf Flora from Brunei Darussalam: A Preliminary Report | Poster: Paleobotany | Zou, Xiaoyu; Wilf, Peter; Donovan, MIchael P.; Kocsis, László; Briguglio, Antonino . | Borneo Neogene Paleobotany Dipterocarpaceae leaf architecture Malesia Rhamnaceae Malvaceae Melastomataceae |
PPB004 | July 29th 5:00 pm | Virtual/Virtual | The Dakota Sandstone of Kansas was a hotspot for platanaceous diversity during the mid-Cretaceous | Poster: Paleobotany | Huegele, Indah; Manchester, Steven. | Paleobotany Plane Trees Taxonomy Cretaceous Leo Lesquereux Sycamore Trees Fossil Leaves Fossil Identification |
PPB005 | July 29th 5:00 pm | Virtual/Virtual | Estimating the phylogeny of Azolla: a comparison between analysis of morphology and molecular data with and without tip-dating | Poster: Paleobotany | Jud, Nathan; De Benedetti, Facundo; Hermsen, Elizabeth J.; Gandolfo, Maria. | Fossils Bayesian phylogeny Ferns |
PPB006 | July 29th 5:00 pm | Virtual/Virtual | Sedges with a tussock-like growth habit from the latest early Eocene Republic flora of the Okanogan Highlands and their bearing on grazing mammal evolution | Poster: Paleobotany | DeVore, Melanie; van der Hoek, Yntze; Pigg, Kathleen. | Cyperaceae Eocene folivores |
PPB007 | July 29th 5:00 pm | Virtual/Virtual | Fagales Phylogeny and Morphological Signal | Poster: Paleobotany | Correa, Julian; Manchester, Steven. | Fagales phylogeny Molecular phylogeny |
PPB008 | July 29th 5:00 pm | Virtual/Virtual | Diverse fossils from the Miocene of Zeku in the northeastern Tibetan Plateau indicate high historical biodiversity and favorable paleoenvironment | Poster: Paleobotany | Li, Xiangchuan; Xiao, Liang; Hui, Zhengchuang ; Yao, Yunzhi ; Ren, Dong ; He , Wenlong ; Yang, Qiang . | Fossils Miocene northeastern Tibetan Plateau historical biodiversity paleoenviroment |
Thursday, July 30th |
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| July 30th 5:00 pm | Virtual/Virtual | Paleobotanical Section Business Meeting | | | |