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Anatomically Preserved Williamsonia (Williamsoniaceae): Evidence for Bennettitalean Reproduction in the Late Cretaceous of Western North America

https://doi.org/10.1086/346166
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What this work says

Outgoing claims: the papers this work cites, builds on, or argues with.

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INVESTIGATIONS OF NORTH AMERICAN CYCADEOIDS: MONANTHESIA
inferredcites →https://doi.org/10.1002/j.1537-2197.1972.tb10083.xopenalex-snapshot
INVESTIGATIONS OF NORTH AMERICAN CYCADEOIDS: EARLY OVULE ONTOGENY
inferredcites →https://doi.org/10.1002/j.1537-2197.1972.tb10185.xopenalex-snapshot
INVESTIGATIONS OF NORTH AMERICAN CYCADEOIDS: POLLINATION MECHANISMS IN CYCADEOIDEA
inferredcites →https://doi.org/10.1016/0034-6667(73)90014-6openalex-snapshot
Investigations of North American cycadeoids: Williamsonian cones from the Jurassic of Oaxaca, Mexico
inferredcites →https://doi.org/10.1016/0034-6667(73)90043-2openalex-snapshot
A consideration of the morphology, ultrastructure and multicellular microgametophyte of Cycadeoidea dacotensis pollen
inferredcites →https://doi.org/10.1016/0034-6667(89)90071-7openalex-snapshot
The morphology and phylogenetic significance of Vardekloeftia harris (Bennettitales)
inferredcites →https://doi.org/10.1016/s0016-6995(76)80005-8openalex-snapshot
Fruit development in Williamsonia Carr. (Bennettitales)
inferredcites →https://doi.org/10.1038/337645a0openalex-snapshot
Evolution of seed dormancy
inferredcites →https://doi.org/10.1080/25761900.2022.12131771openalex-snapshot
Bennettitales of the English Wealden
inferredcites →https://doi.org/10.1086/297219openalex-snapshot
Upper Cretaceous Araucarian Cones from Hokkaido and Saghalien: Araucaria nipponensis Sp. Nov.
inferredcites →https://doi.org/10.1086/297248openalex-snapshot
The Reproductive Biology of Kauri (Agathis australis). I. Pollination and Prefertilization Development
inferredcites →https://doi.org/10.1086/297262openalex-snapshot
The Reproductive Biology of Kauri (Agathis australis). II. Male Gametes, Fertilization, and Cytoplasmic Inheritance
inferredcites →https://doi.org/10.1086/297449openalex-snapshot
The Reproductive Biology of Kauri (Agathis australis). IV. Late Embryogeny, Histochemistry, Cone and Seed Morphology
inferredcites →https://doi.org/10.1086/324553openalex-snapshot
Permineralized Pine Cones from the Cretaceous of Vancouver Island, British Columbia
inferredcites →https://doi.org/10.1086/331344openalex-snapshot
The Morphology of Araucaria Brasiliensis. II. The Ovulate Cone and Female Gametophyte
inferredcites →https://doi.org/10.1093/oxfordjournals.aob.a083546openalex-snapshot
A Rapid Cellulose Peel Technique in Palaeobotany
inferredcites →https://doi.org/10.1093/oxfordjournals.aob.a084369openalex-snapshot
On the Structure of a Williamsonia cf. W. scotica from the Middle Jurassic Rocks of the Rajmahal Hills, India
inferredcites →https://doi.org/10.1093/oxfordjournals.aob.a089442openalex-snapshot
The Morphology of Agathis australis1
inferredcites →https://doi.org/10.1098/rstb.1913.0003openalex-snapshot
III. A petrified Williamsonia from Scotland
inferredcites →https://doi.org/10.1111/j.1095-8339.1907.tb01074.xopenalex-snapshot
On the Origin of Angiosperms.
inferredcites →https://doi.org/10.1111/j.1095-8339.1968.tb00109.xopenalex-snapshot
A new species of Williamsonia from the Rajmahal Hills, India
inferredcites →https://doi.org/10.1111/j.1096-3642.1870.tb00201.xopenalex-snapshot
XVIII. On Fossil Cycadean Stems from the Secondary Rocks of Britain.
inferredcites →https://doi.org/10.1126/science.175.4023.772openalex-snapshot
Evidence of Pollen Tubes in Paleozoic Pteridosperms
inferredcites →https://doi.org/10.1163/1872-9037_afco_dum_r0022aopenalex-snapshot
Cambridge University Press
inferredcites →https://doi.org/10.2307/2399221openalex-snapshot
Phylogenetic Analysis of Seed Plants and the Origin of Angiosperms
inferredcites →https://doi.org/10.3732/ajb.89.9.1447openalex-snapshot
Anatomically preserved Cycadeoidea (Cycadeoidaceae), with a reevaluation of systematic characters for the seed cones of Bennettitales
inferredcites →https://doi.org/10.4324/9780203489369openalex-snapshot
Geology and Mineralogy, Considered with Reference to Natural Theology
inferredcites →https://doi.org/10.5962/bhl.title.118957openalex-snapshot
The Yorkshire Jurassic flora
inferredcites →https://doi.org/10.5962/bhl.title.45272openalex-snapshot
American fossil cycads

What points at this work

Incoming claims: where this work appears in other papers’ reference lists and arguments.

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A Jurassic flower bud from China
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The Early Cretaceous Mesofossil Flora of Torres Vedras (Ne of Forte Da Forca), Portugal: A Palaeofloristic Analysis of an Early Angiosperm Community
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CONTRIBUTIONS TO THE STUDY OF THE EARLY JURASSIC PETRIFIED FOREST OF HOLBAV AND CRISTIAN AREAS (BRAȘOV REGION, SOUTH CARPATHIANS, ROMANIA), 2nd PART
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Diversification of crown group Araucaria: the role of Araucaria famii sp. nov. in the Late Cretaceous (Campanian) radiation of Araucariaceae in the Northern Hemisphere
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A novel cupulate seed plant, Xadzigacalix quatsinoensis gen. et sp. nov., provides new insight into the Mesozoic radiation of gymnosperms
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Flowers from the Early Cretaceous
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Flower-Related Fossils from the Jurassic
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Corystosperms and Other Gymnosperms from the Triassic-Jurassic of Southern Paraná Basin, Brazil: Vegetative and Fertile Structures
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Angiosperms: Characters and Criteria
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Flowers from the Early Cretaceous
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Flower-Related Fossils from the Jurassic
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Zooidogamy in the Late Permian genus Glossopteris
inferred← citeshttps://doi.org/10.1007/s12549-014-0165-9openalex-snapshot
Early Jurassic bennettitalean reproductive structures of Romania
inferred← citeshttps://doi.org/10.1007/s12549-017-0286-zopenalex-snapshot
The diversity of Australian Mesozoic bennettitopsid reproductive organs
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The bennettitalean trunk genera Cycadeoidea and Monanthesia in the Purbeck, Wealden and Lower Greensand of southern England: a reassessment
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Controversial fruit-like remains from the Lower Cretaceous of the Middle East
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A snapshot into the terrestrial ecosystem of an exceptionally well-preserved dinosaur (Hadrosauridae) from the Upper Cretaceous of North Dakota, USA
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Volatile and semi-volatile composition of Cretaceous amber
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Gastroliths and Deinonychus teeth associated with a skeleton of Tenontosaurus from the Cloverly Formation (Lower Cretaceous), Montana, USA
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Leaves and megasporophylls of Cycadophytes from the Lower Cretaceous of Beishan area, Gansu Province, Northwest China, and their evolutionary significance
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Depositional environments and vegetation of Aptian sequences affected by volcanism in Patagonia
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Arthropod interactions with bennettitalean roots in a Triassic permineralized peat from Hopen, Svalbard Archipelago (Arctic)
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Cretaceous tree ferns of western North America: Rickwoodopteris hirsuta gen. et sp. nov. (Cyatheaceae s.l.)
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Reconstruction of a bennettitalean flower from the Carnian (Upper Triassic) of Lunz, Lower Austria
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The reproductive biology of glossopterid gymnosperms—A review
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Re-appraisal of the Mesozoic male cone Ixostrobus Raciborski (Czekanowskiales) based on new material from the Qaidam Basin, NW China: New insights into systematics, diversity and spatio-temporal distribution
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Experimental signal dissection and method sensitivity analyses reaffirm the potential of fossils and morphology in the resolution of the relationship of angiosperms and Gnetales
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Zhangwuia: an enigmatic organ with a bennettitalean appearance and enclosed ovules
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Tectonic-driven climate change and the diversification of angiosperms
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A perfect flower from the Jurassic of China
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Pollen cones and associated leaves from the Lower Cretaceous of China and a re-evaluation of Mesozoic male cycad cones
inferred← citeshttps://doi.org/10.1086/427485openalex-snapshot
Taxodiaceous Pollen Cones from the Early Tertiary of British Columbia, Canada
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Integrating Molecular Phylogenetic and Paleobotanical Evidence on Origin of the Flower
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Paleoecological and Phylogenetic Implications of Saxicaulis meckertii gen. et sp. nov.: A Bennettitalean Stem from the Upper Cretaceous of Western North America
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Ovule Function and the Evolution of Angiosperm Reproductive Innovations
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Evolution and Phylogeny of Gnetophytes: Evidence from the Anatomically Preserved Seed Cone Protoephedrites eamesii gen. et sp. nov. and the Seeds of Several Bennettitalean Species
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A Revision of Wielandiella angustifolia , a Shrub-Sized Bennettite from the Rhaetian-Hettangian of Scania, Sweden, and Jameson Land, Greenland
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Williamsonia carolinensis sp. nov. and Associated Eoginkgoites Foliage from the Upper Triassic Pekin Formation, North Carolina: Implications for Early Evolution in the Williamsoniaceae (Bennettitales)
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Westersheimia pramelreuthensis from the Carnian (Upper Triassic) of Lunz, Austria: More Evidence for a Unitegmic Seed Coat in Early Bennettitales
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Experimental signal dissection and method sensitivity analyses reaffirm the potential of fossils and morphology in the resolution of the relationship of angiosperms and Gnetales
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FIRST RECORD OF NILSSONIOPTERIS (GYMNOSPERMOPHYTA, BENNETTITALES) FROM THE CARNIAN (UPPER TRIASSIC) OF LUNZ, LOWER AUSTRIA
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An Undercover Angiosperm from the Jurassic of China
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First record of circinate vernation in bennettitalean foliage
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Taxonomic resolution of the Triassic–Jurassic sporomorph record in East Greenland
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Pollination drops, pollen, and insect pollination of Mesozoic gymnosperms
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Catalog and Literature Guide for Cretaceous and Cenozoic Vascular Plants of the New World1
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Early Cretaceous mesofossils from Portugal and eastern North America related to the Bennettitales‐Erdtmanithecales‐Gnetales group
inferred← citeshttps://doi.org/10.3732/ajb.0800193openalex-snapshot
Bennettitales from the Grisethorpe Bed (Middle Jurassic) at Cayton Bay, Yorkshire, UK
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Is the anthophyte hypothesis alive and well? New evidence from the reproductive structures of Bennettitales
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Transmitting tissue architecture in basal‐relictual angiosperms: Implications for transmitting tissue origins
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Organization, anatomy, and fungal endophytes of a Triassic conifer embryo
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Phylogenetic diversification of Early Cretaceous seed plants: The compound seed cone of Doylea tetrahedrasperma
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New “Flower” and Leaves of Bennettitales from Southern Brazil and their Implication in the Age of the Lower Mesozoic Deposits
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New insights into Mesozoic cycad evolution: an exploration of anatomically preserved Cycadaceae seeds from the Jurassic Oxford Clay biota
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