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Presentations for Program:: Paleobotany

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SessionDate/TimeLocationTitleTypeAuthorsKeywords

Monday, July 27th

Monday, July 27th, 10:00 am to 12:00 pm · Virtual/Virtual
Session PAL1: Contributed Papers: Cookson Award Session I
PAL1001July 27th 10:00 amVirtual/VirtualPotential secondary phloem in Stigmaria and long-distance sugar transport in arborescent lycopsidsOral PaperDAntonio, Michael; Boyce, C. Kevin.Lepidodendron
Sigillaria
Phloem
Sugar transport
plant physiology
PAL1002July 27th 10:15 amVirtual/VirtualPermineralized gametophytes from Vancouver Island reveal that peat mosses (Class Sphagnopsida) were anatomically diverse by the Late CretaceousOral PaperBippus, Alexander; Stockey, Ruth; Rothwell, Gar; Rothwell, Gar.fossil
moss
Cretaceous
Sphagnum
bryophyte
PAL1003July 27th 10:30 amVirtual/VirtualCunonicaceae from the Late Cretaceous of North America and its paleobiogeographic implicationsOral PaperTang, Keana; Atkinson, Brian; Smith, Selena.Cunoniaceae
Ceratopetalum
Late Cretaceous
fossil fruits
Sucia Island
PAL1004July 27th 10:45 amVirtual/VirtualIlligera fruits from the Miocene of Alum Bluff, northwestern FloridaOral PaperZhu, Hai; Manchester, Steven; Lott, Terry.eastern North America
Fort Preston Formation
Hernandiaceae
megafossil
winged fruit
Tropical
Monday, July 27th, 12:45 pm to 2:00 pm · Virtual/Virtual
Session PAL2: Contributed Papers: Cookson Award Session II
PAL2001July 27th 12:45 pmVirtual/VirtualThe role of grasslands in the evolution of seed dispersal strategy in the PoaceaeOral PaperBrightly, William; Stromberg, Caroline; Christin, Pascal-Antoine; Bianconi, Matheus.seed dispersal
Grasses
grassland
PAL2002July 27th 1:00 pmVirtual/VirtualDecoding leaf characters that drive family level identification through computer visionOral PaperSpagnuolo, Edward; Wilf, Peter.Leaf Architecture 
Machine Vision
Fossil Leaves
Fagaceae
Rubiaceae
Fabaceae
Salicaceae
Sapindaceae
Ericaceae
Rosaceae
Paleobotany
Fossil Identification
PAL2003July 27th 1:15 pmVirtual/VirtualA critical reassessment of angiosperms' role in insect diversificationOral PaperSchachat, Sandra R..Cretaceous
gymnosperm
plant-insect interactions
insect pollination
Insects
Monday, July 27th, 6:00 pm to 11:00 pm · Virtual/Virtual
Session MX3: Mixer: Paleobotany Mixer
July 27th 6:00 pmVirtual/VirtualPaleobotany Mixer

Tuesday, July 28th

Tuesday, July 28th, 10:00 am to 11:45 am · Virtual/Virtual
Session PAL3: Contributed Papers: Paleobotany I: Paleozoic and Mesozoic Paleobotany
Presiding: Patricia Gensel, University Of North Carolina; Peter Wilf, Pennsylvania State University
PAL3001July 28th 10:00 amVirtual/VirtualNovel leaf morphology and variation in foliage similar to Rhacopteris from the Early Carboniferous Price Formation, southwestern Virginia, USA Oral PaperGensel, Patricia; Knier, Aubrey.Early Carboniferous
foliage
PAL3002July 28th 10:15 amVirtual/VirtualReconstruction of the Whole Plant Tetrastichia bupatides Gordon from the Devonian/Mississippian boundary of Scotland and IrelandOral PaperDunn, Michael; Rothwell, Gar; Rothwell, Gar; Scott, Andrew.Hydrasperman seed fern
Devonian/Mississippian boundary
Whole plant reconstruction
PAL3003July 28th 10:30 amVirtual/VirtualA review of the Early Mississippian anatomically preserved flora from Montagne Noire, FranceOral PaperDecombeix, Anne-Laure; Galtier, Jean; Meyer-Berthaud, Brigitte; Prestianni, Cyrille; Rowe, Nicholas; Harper, Carla.Carboniferous
France
anatomy
Paleobotany
Tournaisian
PAL3004July 28th 10:45 amVirtual/VirtualMicrospores in macroplant fossils from the Triassic of Central EuropeOral PaperKustatscher, Evelyn; Nowak, Hendrik.In situ spores
Triassic
Ferns
intraspecific variability
PAL3005July 28th 11:00 amVirtual/VirtualNew gymnosperm reproductive organs of possible gnetalean affinity from the Upper Jurassic of the Morrison Formation in southern UtahOral PaperManchester, Steven; Doyle, James; Hotton, Carol; Zhang, Xiaoqing; Wing, Scott.Gnetales
reproductive organs
Jurassic
Utah
PAL3006July 28th 11:15 amVirtual/VirtualEvolutionary diversification of Cretaceous taiwanioid CupressaceaeOral PaperRothwell, Gar; Rothwell, Gar; Stockey, Ruth; Smith, Selena.anatomy
Cupressaceae
Late Cretaceous
Seed Cone
Taiwanioideae
Tuesday, July 28th, 12:30 pm to 2:30 pm · Virtual/Virtual
Session PAL4: Contributed Papers: Paleobotany II: Cenozoic Paleobotany
PAL4001July 28th 12:30 pmVirtual/VirtualA new physaloid fruit fossil from Patagonia and the evolutionary history of nightshadesOral PaperDeanna, Rocio; Deanna, Rocio; Deanna, Rocio; Wilf, Peter; Gandolfo, Maria.Argentina
Eocene
Fossils
fruiting calyx
Laguna del Hunco
Physalis
Solanaceae
PAL4002July 28th 12:45 pmVirtual/VirtualPaleoclimatic inference based on angiosperm wood anatomy from El Bosque Formation (Eocene), Chiapas, MexicoOral PaperPerez Lara, Diana Karen; Estrada-Ruiz, Emilio; Casta�eda-Posadas, Carlos.Paleobotany
Fossil Wood
wood anatomy
Eocene
Paleoclimatic inference
PAL4003July 28th 1:00 pmVirtual/VirtualExceptionally rich spinescence fossils from the late Oligocene of central Tibetan Plateau and its environmental implicationsOral PaperZhang, Xinwen; Gelin, Uriel; Li, Shufeng; Liu, Jia; Zhou, Zhekun; Su, Tao.Spinescences
functional traits
Fossils
Tibetan Plateau
Late Oligocene
Model
PAL4004July 28th 1:15 pmVirtual/VirtualFossil fruits of Nyssa and associated fungi from the late Oligocene of South ChinaOral PaperXu, Shenglan; Kodrul, Tatiana; Maslova, Natalia; Tobias, Anna; Quan, Cheng; Jin, Jianhua.Nyssa
Amphisphaeria
Late Oligocene
Nanning Basin
South China
PAL4005July 28th 1:30 pmVirtual/VirtualLate Oligocene fruiting catkins of Alnus from Guangxi, South China: The lowest latitudinal distributed fossil recordOral PaperLiu, Xiaoyan; Quan, Cheng; Jin, Jianhua.Late Oligocene
fruiting catkins
Alnus
South China
 paleogeography
PAL4006July 28th 1:45 pmVirtual/VirtualAraucarioid fossil wood from the late Oligocene - early Miocene of Hainan Island: the most ancient evidence of the genus Agathis in eastern AsiaOral PaperOskolski, Alexei; Stepanova , Anna; Huang, Luliang; Jin, Jianhua.Agathis
Araucariaceae
Oligocene
Miocene
Fossil Wood
Biogeography
South China
Hainan
wood anatomy
PAL4007July 28th 2:00 pmVirtual/VirtualPaleobotanical Reconnaissance of BruneiOral PaperWilf, 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
PAL4008July 28th 2:15 pmVirtual/VirtualFossil Passiflora seeds from Gray Fossil Site (Pliocene, Tennessee, U.S.A.)Oral PaperHermsen, Elizabeth J..Passiflora
Passifloroideae
Neogene
Tuesday, July 28th, 3:00 pm to 4:30 pm · Virtual/Virtual
Session PAL5: Contributed Papers: Paleobotany III: Patterns and trends
PAL5001July 28th 3:00 pmVirtual/VirtualCycad TeratologyOral PaperStevenson, Dennis.cycads
teratism
fasciation
chimera
PAL5002July 28th 3:15 pmVirtual/VirtualPollen malformations as indicators of past environmental stress: Comparing background variation with heightened UV-B exposure in modern conifersOral PaperBenca, Jeffrey; Duijnstee, Ivo; Looy, Cindy.pollen
Abiotic stress
UV-B
Saccate
Conifers
Mass extinctions
End-Permian
PAL5003July 28th 3:30 pmVirtual/VirtualLeaf architecture in extant Cannabaceae with a review of select leaf fossils previously assigned to the familyOral PaperAllen, Sarah; Stull, Gregory W..Paleobotany
leaf architecture
Fossil Leaves
Cannabaceae
Rosales
PAL5004July 28th 3:45 pmVirtual/Virtual2D 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 biogeographyOral PaperGallaher, Timothy; Perry, Jessica ; Zhang, Jifan; Meng, Xiangyun; Jamieson, Kevin; Strömberg, Caroline.Poaceae
Phytolith
fossil
Morphometrics
Machine Learning
Biogeography
PAL5005July 28th 4:00 pmVirtual/VirtualWeathering, nutrient fluxes, and the long-term consequences of coal for the evolution of nitrogen-based symbiosesOral PaperBoyce, C. Kevin; Ibarra, Daniel E.; Nelsen, Matthew; DAntonio, Michael.

Wednesday, July 29th

Wednesday, July 29th, 5:00 pm to 6:00 pm · Virtual/Virtual
Session P: Contributed Posters: Paleobotany Posters
PPB001July 29th 5:00 pmVirtual/VirtualProtocedroxylon from the marine shales of the Upper Jurassic Knoxville Formation, Tehama County, CaliforniaPoster: PaleobotanyRichmond, Dean; Lupia, Richard; Philippe, Marc.Protocedroxylon
Knoxville Formation
Jurassic
California
PPB002July 29th 5:00 pmVirtual/VirtualPaleoenvironmental and Taphonomic Implications of a Palynological Sample from the Forest Hill FormationPoster: PaleobotanyBaghai-Riding, Nina; Starnes, James; Axsmith, Brian; Hotton, Carol; Hunsucker, Myrtle.Oligocene
Bucatunna Formation
pollen
spores
palynomorphs
PPB003July 29th 5:00 pmVirtual/VirtualThe First Fossil Leaf Flora from Brunei Darussalam: A Preliminary ReportPoster: PaleobotanyZou, Xiaoyu; Wilf, Peter; Donovan, MIchael P.; Kocsis, László; Briguglio, Antonino .Borneo
Neogene
Paleobotany
Dipterocarpaceae
leaf architecture
Malesia
Rhamnaceae
Malvaceae
Melastomataceae
PPB004July 29th 5:00 pmVirtual/VirtualThe Dakota Sandstone of Kansas was a hotspot for platanaceous diversity during the mid-CretaceousPoster: PaleobotanyHuegele, Indah; Manchester, Steven.Paleobotany
Plane Trees
Taxonomy
Cretaceous
Leo Lesquereux
Sycamore Trees
Fossil Leaves
Fossil Identification
PPB005July 29th 5:00 pmVirtual/VirtualEstimating the phylogeny of Azolla: a comparison between analysis of morphology and molecular data with and without tip-datingPoster: PaleobotanyJud, Nathan; De Benedetti, Facundo; Hermsen, Elizabeth J.; Gandolfo, Maria.Fossils
Bayesian
phylogeny
Ferns
PPB006July 29th 5:00 pmVirtual/VirtualSedges with a tussock-like growth habit from the latest early Eocene Republic flora of the Okanogan Highlands and their bearing on grazing mammal evolutionPoster: PaleobotanyDeVore, Melanie; van der Hoek, Yntze; Pigg, Kathleen.Cyperaceae
Eocene
folivores
PPB007July 29th 5:00 pmVirtual/VirtualFagales Phylogeny and Morphological SignalPoster: PaleobotanyCorrea, Julian; Manchester, Steven.Fagales
phylogeny
Molecular phylogeny
PPB008July 29th 5:00 pmVirtual/VirtualDiverse fossils from the Miocene of Zeku in the northeastern Tibetan Plateau indicate high historical biodiversity and favorable paleoenvironmentPoster: PaleobotanyLi, Xiangchuan; Xiao, Liang; Hui, Zhengchuang ; Yao, Yunzhi ; Ren, Dong ; He , Wenlong ; Yang, Qiang .Fossils
Miocene
northeastern Tibetan Plateau
historical biodiversity
paleoenviroment

Thursday, July 30th

Thursday, July 30th, 5:00 pm to 6:00 pm · Virtual/Virtual
Session M14: Meeting: Paleobotanical Section Business Meeting
Presiding: Andrew Leslie, Stanford University
July 30th 5:00 pmVirtual/VirtualPaleobotanical Section Business Meeting

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