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Chlamydospermous Seeds Document the Diversity and Abundance of Extinct Gnetalean Relatives in Early Cretaceous Vegetation

https://doi.org/10.1086/704356
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What this work says

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

inferredcites →https://doi.org/10.1002/ajb2.1124openalex-snapshot
Tanispermum, a new genus of hemi‐orthotropous to hemi‐anatropous angiosperm seeds from the Early Cretaceous of eastern North America
inferredcites →https://doi.org/10.1002/j.1537-2197.1969.tb07553.xopenalex-snapshot
COMPARATIVE ANATOMY OF THE SEED COATS OF GNETUM AND THEIR PROBABLE EVOLUTION
inferredcites →https://doi.org/10.1002/j.1537-2197.1987.tb08774.xopenalex-snapshot
DREWRIA POTOMACENSIS GEN. ET SP. NOV., AN EARLY CRETACEOUS MEMBER OF GNETALES FROM THE POTOMAC GROUP OF VIRGINIA
inferredcites →https://doi.org/10.1006/cres.2001.0285openalex-snapshot
Bayeritheca hughesii gen. et sp. nov., a new Eucommiidites -bearing pollen organ from the Cenomanian of Bohemia
inferredcites →https://doi.org/10.1007/bf02861082openalex-snapshot
Seed plant phylogeny and the origin of angiosperms: An experimental cladistic approach
inferredcites →https://doi.org/10.1007/s00606-006-0481-2openalex-snapshot
Liaoxia Cao et S.Q. Wu (Gnetales): ephedroids from the Early Cretaceous Yixian Formation in Liaoning, northeastern China
inferredcites →https://doi.org/10.1016/0034-6667(67)90215-1openalex-snapshot
The gymnospermous affinity of Eucommiidites Erdtman, 1948
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/j.ppees.2015.06.006openalex-snapshot
Macrofossil evidence unveiling evolution and ecology of early Ephedraceae
inferredcites →https://doi.org/10.1016/j.revpalbo.2007.10.005openalex-snapshot
Erdtmanispermum juncalense sp. nov., a new species of the extinct order Erdtmanithecales from the Early Cretaceous (probably Berriasian) of Portugal
inferredcites →https://doi.org/10.1017/s009483730000974xopenalex-snapshot
Angiosperm diversification and Cretaceous floristic trends: a comparison of palynofloras and leaf macrofloras
inferredcites →https://doi.org/10.1038/331344a0openalex-snapshot
Quantitative analyses of the early angiosperm radiation
inferredcites →https://doi.org/10.1038/nature06278openalex-snapshot
Phase-contrast X-ray microtomography links Cretaceous seeds with Gnetales and Bennettitales
inferredcites →https://doi.org/10.1038/nature16441openalex-snapshot
Exceptional preservation of tiny embryos documents seed dormancy in early angiosperms
inferredcites →https://doi.org/10.1038/nmeth.2019openalex-snapshot
Fiji: an open-source platform for biological-image analysis
inferredcites →https://doi.org/10.1073/pnas.97.8.4086openalex-snapshot
Seed plant phylogeny inferred from all three plant genomes: Monophyly of extant gymnosperms and origin of Gnetales from conifers
inferredcites →https://doi.org/10.1080/00173130802228110openalex-snapshot
Raunsgaardispermum lusitanicumgen. et sp. nov., a new seed within situpollen from the Early Cretaceous (probably Berriasian) of Portugal: Further support for the Bennettitales‐Erdtmanithecales‐Gnetales link
inferredcites →https://doi.org/10.1080/00173130903442826openalex-snapshot
Erdtmanitheca portucalensis, a new pollen organ from the Early Cretaceous (Aptian–Albian) of Portugal with Eucommiidites-type pollen
inferredcites →https://doi.org/10.1080/00173134.2011.559728openalex-snapshot
Canrightia resinifera gen. et sp. nov., a new extinct angiosperm with Retimonocolpites-type pollen from the Early Cretaceous of Portugal: missing link in the eumagnoliid tree?
inferredcites →https://doi.org/10.1080/00173134.2014.915980openalex-snapshot
Welwitschioid diversity in the Early Cretaceous: evidence from fossil seeds with pollen from Portugal and eastern North America
inferredcites →https://doi.org/10.1080/00173134.2015.1060750openalex-snapshot
Canrightiopsis, a new Early Cretaceous fossil withClavatipollenites-type pollen bridge the gap between extinctCanrightiaand extant Chloranthaceae
inferredcites →https://doi.org/10.1080/00173138909427441openalex-snapshot
Pollen Organs and Seeds withEucommiiditesPollen
inferredcites →https://doi.org/10.1086/657299openalex-snapshot
Micromorphology of the Seed Envelope ofEphedraL. (Gnetales) and Its Relevance for the Timing of Evolutionary Events
inferredcites →https://doi.org/10.1086/668250openalex-snapshot
New Diversity among Chlamydospermous Seeds from the Early Cretaceous of Portugal and North America
inferredcites →https://doi.org/10.1086/668688openalex-snapshot
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
inferredcites →https://doi.org/10.1086/688708openalex-snapshot
Westersheimia pramelreuthensis from the Carnian (Upper Triassic) of Lunz, Austria: More Evidence for a Unitegmic Seed Coat in Early Bennettitales
inferredcites →https://doi.org/10.1086/693108openalex-snapshot
Saportanthus, an Extinct Genus of Laurales from the Early Cretaceous of Portugal
inferredcites →https://doi.org/10.1086/701319openalex-snapshot
Extinct Diversity among Early Cretaceous Angiosperms: Mesofossil Evidence of Early Magnoliales from Portugal
inferredcites →https://doi.org/10.1093/aob/mcl078openalex-snapshot
Former Diversity of Ephedra (Gnetales): Evidence from Early Cretaceous Seeds from Portugal and North America
inferredcites →https://doi.org/10.1093/oxfordjournals.aob.a089365openalex-snapshot
The Female Insurescence and Ovuls of Gnetum africanum with Notes on Gnetum scandens With plates LXXVI and LXXXVII and sixteen Figures in the Text
inferredcites →https://doi.org/10.1093/oxfordjournals.aob.a089439openalex-snapshot
The Anatomy and Morphology of the Inflorescences and Flowers of Ephedra
inferredcites →https://doi.org/10.1093/oxfordjournals.aob.a089746openalex-snapshot
Anatomy of the Ovule and Seed in Gnetum Gnemon, with Notes on Gnetum funiculare
inferredcites →https://doi.org/10.1098/rsbl.2003.0044openalex-snapshot
Cratonia cotyledon gen. et sp. nov.: a unique Cretaceous seedling related to Welwitschia
inferredcites →https://doi.org/10.1098/rstb.1906.0008openalex-snapshot
VIII. Some observations on Welwitschia mirabilis, Hooker , f
inferredcites →https://doi.org/10.1107/s0909049510011830openalex-snapshot
Image processing pipeline for synchrotron-radiation-based tomographic microscopy
inferredcites →https://doi.org/10.1111/brv.12497openalex-snapshot
Leaf surface development and the plant fossil record: stomatal patterning in Bennettitales
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.1095-8339.2010.01066.xopenalex-snapshot
The female reproductive unit of Ephedra (Gnetales): comparative morphology and evolutionary perspectives
inferredcites →https://doi.org/10.1111/j.1469-8137.1911.tb04959.xopenalex-snapshot
ON SOME POINTS OF RESEMBLANCE BETWEEN GNETALEAN AND BENNETTITEAN SEEDS
inferredcites →https://doi.org/10.1126/science.246.4930.675openalex-snapshot
Angiosperm Diversification and Paleolatitudinal Gradients in Cretaceous Floristic Diversity
inferredcites →https://doi.org/10.1127/palb/253/2000/139openalex-snapshot
Gnetophyte assemblage from the Early Cretaceous of Transbaikalia
inferredcites →https://doi.org/10.1186/1471-2148-10-183openalex-snapshot
A new Early Cretaceous relative of Gnetales: Siphonospermum simplex gen. et sp. nov. from the Yixian Formation of Northeast China
inferredcites →https://doi.org/10.1371/journal.pone.0053652openalex-snapshot
The Earliest Fleshy Cone of Ephedra from the Early Cretaceous Yixian Formation of Northeast China
inferredcites →https://doi.org/10.1666/0094-8373(2004)030<0082:dadani>2.0.co;2openalex-snapshot
Dark and disturbed: a new image of early angiosperm ecology
inferredcites →https://doi.org/10.1666/13-099openalex-snapshot
Three-dimensional visualization of fossil flowers, fruits, seeds, and other plant remains using synchrotron radiation X-ray tomographic microscopy (SRXTM): new insights into Cretaceous plant diversity
inferredcites →https://doi.org/10.2307/2399221openalex-snapshot
Phylogenetic Analysis of Seed Plants and the Origin of Angiosperms
inferredcites →https://doi.org/10.2478/if-2018-0006openalex-snapshot
Rightcania and Kvacekispermum: Early Cretaceous Seeds From Eastern North America and Portugal Provide Further Evidence of the Early Chloranthoid Diversification
inferredcites →https://doi.org/10.2478/if-2018-0010openalex-snapshot
Extinct Taxa of Exotestal Seeds Close to Austrobaileyales and Nymphaeales From the Early Cretaceous of Portugal
inferredcites →https://doi.org/10.3732/ajb.0800113openalex-snapshot
Early Cretaceous mesofossils from Portugal and eastern North America related to the Bennettitales‐Erdtmanithecales‐Gnetales group
inferredcites →https://doi.org/10.3732/ajb.0800209openalex-snapshot
Is the anthophyte hypothesis alive and well? New evidence from the reproductive structures of Bennettitales
inferredcites →https://doi.org/10.3732/ajb.92.2.231openalex-snapshot
Morphology and affinities of an Early Cretaceous Ephedra (Ephedraceae) from China
inferredcites →https://doi.org/10.3732/ajb.92.8.1294openalex-snapshot
Welwitschiaceae from the Lower Cretaceous of northeastern Brazil

What points at this work

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

inferred← citeshttps://doi.org/10.2478/if-2019-0013zenodo-depositor-declared
The Early Cretaceous Mesofossil Flora of Torres Vedras (Ne of Forte Da Forca), Portugal: A Palaeofloristic Analysis of an Early Angiosperm Community
inferred← citeshttps://doi.org/10.37520/fi.2022.016zenodo-depositor-declared
The Early Cretaceous mesofossil flora of Catefica, Portugal: angiosperms
inferred← citeshttps://doi.org/10.37520/fi.2023.006zenodo-depositor-declared
Fossil mosses from the Early Cretaceous Catefica mesofossil flora, Portugal – a window into the Mesozoic history of Bryophytes
inferred← citeshttps://doi.org/10.1002/ajb2.1853openalex-snapshot
A novel cupulate seed plant, Xadzigacalix quatsinoensis gen. et sp. nov., provides new insight into the Mesozoic radiation of gymnosperms
inferred← citeshttps://doi.org/10.1002/tax.12493openalex-snapshot
Node ages, relationships, and phylogenomic incongruence in an ancient gymnosperm lineage – Phylogeny of Ephedra revisited
inferred← citeshttps://doi.org/10.1007/978-3-030-22526-1_30openalex-snapshot
Gymnosperms from the Early Cretaceous Crato Flora: Competitors for the Nascent Flowering Plants
inferred← citeshttps://doi.org/10.1007/978-3-319-90913-4_30-1openalex-snapshot
Gymnosperms from the Early Cretaceous Crato Flora: Competitors for the Nascent Flowering Plants
inferred← citeshttps://doi.org/10.1016/j.cretres.2020.104376openalex-snapshot
Battenispermum hirsutum gen. et sp. nov., a new Early Cretaceous seed from Portugal with chlamydospermous organisation
inferred← citeshttps://doi.org/10.1016/j.revpalbo.2021.104487openalex-snapshot
Microsporangiophores from the Early Cretaceous (Berriasian) of Bornholm, Denmark, with comments on a pre-angiosperm xerophytic flora
inferred← citeshttps://doi.org/10.1016/j.revpalbo.2022.104716openalex-snapshot
Extinct seed plant diversity in the Early Cretaceous: An enigmatic new microsporangiate fossil with Decussosporites pollen in situ
inferred← citeshttps://doi.org/10.1016/j.revpalbo.2025.105314openalex-snapshot
A new Ephedra macrofossil from the Early Cretaceous Yixian Formation, Liaoning Province, China and its evolutionary significance
inferred← citeshttps://doi.org/10.1017/s0960258523000168openalex-snapshot
The rudimentary embryo: an early angiosperm invention that contributed to their dominance over gymnosperms
inferred← citeshttps://doi.org/10.1080/14772019.2021.1968522openalex-snapshot
Distinctive quadrangular seed-bearing structures of gnetalean affinity from the Late Jurassic Morrison Formation of Utah, USA
inferred← citeshttps://doi.org/10.1086/710490openalex-snapshot
Melloniflora, a New Extinct Multiparted Flower from the Early Cretaceous of Virginia, USA
inferred← citeshttps://doi.org/10.1086/710492openalex-snapshot
Wireroadia, a New Genus of Winged Fruit from the Cretaceous of Alabama and New England, USA
inferred← citeshttps://doi.org/10.1086/737470openalex-snapshot
Birbal Sahni Introduces the Pentoxyleae
inferred← citeshttps://doi.org/10.1093/evolut/qpag087openalex-snapshot
Surviving ancestors, hard polytomies, and seed plant evolution
inferred← citeshttps://doi.org/10.1144/sp544-2023-170openalex-snapshot
The Cretaceous diversification of angiosperms: perspectives from mesofossils
inferred← citeshttps://doi.org/10.1186/s12862-020-01651-2openalex-snapshot
Revealing the diversity of amber source plants from the Early Cretaceous Crato Formation, Brazil
inferred← citeshttps://doi.org/10.1371/journal.pone.0226779openalex-snapshot
Reconstructing Krassilovia mongolica supports recognition of a new and unusual group of Mesozoic conifers
inferred← citeshttps://doi.org/10.2478/acpa-2019-0020openalex-snapshot
Geminispermum, an Early Cretaceous (early–middle Albian) cupulate unit from the angiosperm-dominated Puddledock flora of eastern North America
inferred← citeshttps://doi.org/10.31111/palaeobotany/2021.12.56openalex-snapshot
Leaf epidermal structure of extant gnetales (Gnetum L.) and the Middle Jurassic bennettitales (Nilssoniopteris Nathorst and Ptilophyllum Morris)
inferred← citeshttps://doi.org/10.3390/plants12091749openalex-snapshot
A New Gnetalean Macrofossil from the Mid-Jurassic Daohugou Formation
inferred← citeshttps://doi.org/10.35535/acpa-2022-0006openalex-snapshot
Two-seeded cones of probable gnetalean affinity from the Morrison Formation (Late Jurassic) of Utah and Colorado, USA
inferred← citeshttps://doi.org/10.35535/acpa-2026-0003openalex-snapshot
Laurus macrocarpa Lesquereux from the mid-Cretaceous (Cenomanian) Dakota Formation, USA, is a chlamydospermous seed, not an angiosperm fruit
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