Gnetophyta (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Gnetophyta" in English language version.

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47doi.org

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36nih.gov

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18harvard.edu

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13semanticscholar.org

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11worldcat.org

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4jstor.org

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4elsevier.com

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2handle.net

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1wiley.com

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1nature.com

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1biodiversitylibrary.org

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1tandfonline.com

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1sciencedirect.com

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1intechopen.com

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1uchicago.edu

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Nixon, K.C.; Crepet, W.L.; Stevenson, D.; Friis, E.M. (1994). "A reevaluation of seed plant phylogeny". Annals of the Missouri Botanical Garden. 81 (3): 494–533. doi:10.2307/2399901. JSTOR 2399901.

doi.org

Peter R. Crane; Patrick Herendeen; Else Marie Friis (2004). "Fossils and plant phylogeny". American Journal of Botany. 91 (10): 1683–1699. doi:10.3732/ajb.91.10.1683. PMID 21652317.
Bowe, L.M.; Coat, G.; dePamphilis, C.W. (2000). "Phylogeny of seed plants based on all three genomic compartments: Extant gymnosperms are monophyletic and Gnetales' closest relatives are conifers". Proceedings of the National Academy of Sciences. 97 (8): 4092–4097. Bibcode:2000PNAS...97.4092B. doi:10.1073/pnas.97.8.4092. PMC 18159. PMID 10760278.
Gugerli, F.; Sperisen, C.; Buchler, U.; Brunner, L.; Brodbeck, S.; Palmer, J.D.; Qiu, Y.L. (2001). "The evolutionary split of Pinaceae from other conifers: evidence from an intron loss and a multigene phylogeny". Molecular Phylogenetics and Evolution. 21 (2): 167–175. doi:10.1006/mpev.2001.1004. PMID 11697913.
Rai, H.S.; Reeves, P.A.; Peakall, R.; Olmstead, R.G.; Graham, S.W. (2008). "Inference of higher-order conifer relationships from a multi-locus plastid data set". Botany. 86 (7): 658–669. doi:10.1139/B08-062.
Ickert-Bond, S. M.; C. Rydin & S. S. Renner (2009). "A fossil-calibrated relaxed clock for Ephedra indicates an Oligocene age for the divergence of Asian and New World clades, and Miocene dispersal into South America" (PDF). Journal of Systematics and Evolution. 47 (5): 444–456. doi:10.1111/j.1759-6831.2009.00053.x. S2CID 55148071.
Arber, E.A.N.; Parkin, J. (1908). "Studies on the evolution of the angiosperms: the relationship of the angiosperms to the Gnetales". Annals of Botany. 22 (3): 489–515. doi:10.1093/oxfordjournals.aob.a089185.
Friis, Else Marie; Crane, Peter R.; Pedersen, Kaj Raunsgaard; Bengtson, Stefan; Donoghue, Philip C.J.; Grimm, Guido W.; Stampanoni, Marco (November 2007). "Phase-contrast X-ray microtomography links Cretaceous seeds with Gnetales and Bennettitales". Nature. 450 (7169): 549–552. Bibcode:2007Natur.450..549F. doi:10.1038/nature06278. ISSN 0028-0836. PMID 18033296. S2CID 1198220.
Lee, E.K.; Cibrian-Jaramillo, A.; Kolokotronis, S.O.; Katari, M.S.; Stamatakis, A.; et al. (2011). "A functional phylogenomic view of the seed plants". PLOS Genet. 7 (12): e1002411. doi:10.1371/journal.pgen.1002411. PMC 3240601. PMID 22194700.
Chaw, S.M.; Aharkikh, A.; Sung, H.M.; Lau, T.C.; Li, W.H. (1997). "Molecular phylogeny of extant gymnosperms and seed plant evolution: Analysis of nuclear 18S rRNA sequences". Molecular Biology and Evolution. 14 (1): 56–68. doi:10.1093/oxfordjournals.molbev.a025702. PMID 9000754.
Qiu, Y.L.; Lee, J.; Bernasconi-Quadroni, F.; Soltis, D.E.; Soltis, P.S.; Zanis, M.; Zimmer, E.A.; Chen, Z.; Savalainen, V. & Chase, M.W. (1999). "The earliest angiosperms: evidence from mitochondrial, plastid and nuclear genomes". Nature. 402 (6760): 404–407. Bibcode:1999Natur.402..404Q. doi:10.1038/46536. PMID 10586879. S2CID 4380796.
Rydin, C.; Kallersjo, M.; Friist, E.M. (2002). "Seed plant relationships and the systematic position of Gnetales based on nuclear and chloroplast DNA: Conflicting data, rooting problems, and the monophyly of conifers". International Journal of Plant Sciences. 163 (2): 197–214. doi:10.1086/338321. JSTOR 3080238. S2CID 84578578.
Braukmann, T.W.A.; Kuzmina, M.; Stefanovic, S. (2009). "Loss of all plastid nhd genes in Gnetales and conifers: Extent and evolutionary significance for the seed plant phylogeny". Current Genetics. 55 (3): 323–337. doi:10.1007/s00294-009-0249-7. PMID 19449185. S2CID 3939394.
Magallon, S.; Sanderson, M.J. (2002). "Relationships among seed plants inferred from highly conserved genes: sorting conflicting phylogenetic signals among ancient lineages". American Journal of Botany. 89 (12): 1991–2006. doi:10.3732/ajb.89.12.1991. JSTOR 4122754. PMID 21665628.
Sanderson, M.J.; Wojciechowski, M.F.; Hu, J.M.; Sher Khan, T.; Brady, S.G. (2000). "Error, bias, and long-branch attraction in data for two chloroplast photosystem genes in seed plants". Molecular Biology and Evolution. 17 (5): 782–797. doi:10.1093/oxfordjournals.molbev.a026357. PMID 10779539.
Burleigh, J.G.; Mathews, S. (2007). "Phylogenetic signal in nucleotide data from seed plants: Implications for resolving the seed plant tree of life". American Journal of Botany. 168 (10): 125–135. doi:10.3732/ajb.91.10.1599. PMID 21652311.
Donoghue, M.J.; Doyle, J.A. (2000). "Seed plant phylogeny: demise of the anthophyte hypothesis?". Current Biology. 10 (3): R106 – R109. Bibcode:2000CBio...10.R106D. doi:10.1016/S0960-9822(00)00304-3. PMID 10679315. S2CID 16558206.
Loconte, H.; Stevenson, D.W. (1990). "Cladistics of the Spermatophyta". Brittonia. 42 (3): 197–211. Bibcode:1990Britt..42..197L. doi:10.2307/2807216. JSTOR 2807216. S2CID 36908568.
Nixon, K.C.; Crepet, W.L.; Stevenson, D.; Friis, E.M. (1994). "A reevaluation of seed plant phylogeny". Annals of the Missouri Botanical Garden. 81 (3): 494–533. doi:10.2307/2399901. JSTOR 2399901.
Coiro, M.; Chomicki, G.; Doyle, J.A. (2018). "Experimental signal dissection and method sensitivity analyses reaffirm the potential of fossils and morphology in the resolution of the relationship of angiosperms and Gnetales". Paleobiology. 44 (3): 490–510. Bibcode:2018Pbio...44..490C. doi:10.1017/pab.2018.23. S2CID 91488394.
Chaw, S.M.; Parkinson, C.L.; Cheng, Y.; Vincent, T.M.; Palmer, J.D. (2000). "Seed plant phylogeny inferred from all three plant genomes: Monophyly of extant gymnosperms and origin of Gnetales from conifers". Proceedings of the National Academy of Sciences USA. 97 (8): 4086–4091. Bibcode:2000PNAS...97.4086C. doi:10.1073/pnas.97.8.4086. PMC 18157. PMID 10760277.
Goremykin, V.; Bobrova, V.; Pahnke, J.; Troitsky, A.; Antonov, A.; Martin, W. (1996). "Noncoding sequences from the slowly evolving chloroplast inverted repeat in addition to rbcL data do not support gnetalean affinities of angiosperms". Molecular Biology and Evolution. 13 (2): 383–396. doi:10.1093/oxfordjournals.molbev.a025597. PMID 8587503.
Hajibabaei, M.; Xia, J.; Drouin, G. (2006). "Seed plant phylogeny: Gnetophytes are derived conifers and a sister group to Pinaceae". Molecular Phylogenetics and Evolution. 40 (1): 208–217. doi:10.1016/j.ympev.2006.03.006. PMID 16621615.
Hansen, A.; Hansmann, S.; Samigullin, T.; Antonov, A.; Martin, W. (1999). "Gnetum and the angiosperms: molecular evidence that their shared morphological characters are convergent rather than homologous". Molecular Biology and Evolution. 16 (7): 1006–1009. doi:10.1093/oxfordjournals.molbev.a026176.
Samigullin, T.K.; Martin, W.F.; Troitsky, A.V.; Antonov, A.S. (1999). "Molecular data from the chloroplast rpoC1 gene suggest a deep and distinct dichotomy of contemporary spermatophytes into two monophyla: gymnosperms (including Gnetalaes) and angiosperms". Journal of Molecular Evolution. 49 (3): 310–315. Bibcode:1999JMolE..49..310S. doi:10.1007/PL00006553. PMID 10473771. S2CID 4232968.
Ran, Jin-Hua; Shen, Ting-Ting; Wang, Ming-Ming; Wang, Xiao-Quan (2018). "Phylogenomics resolves the deep phylogeny of seed plants and indicates partial convergent or homoplastic evolution between Gnetales and angiosperms". Proceedings of the Royal Society B: Biological Sciences. 285 (1881). doi:10.1098/rspb.2018.1012. PMC 6030518. PMID 29925623.
Stull, Gregory W.; Qu, Xiao-Jian; Parins-Fukuchi, Caroline; Yang, Ying-Ying; Yang, Jun-Bo; Yang, Zhi-Yun; Hu, Yi; Ma, Hong; Soltis, Pamela S.; Soltis, Douglas E.; Li, De-Zhu; Smith, Stephen A.; Yi, Ting-Shuang (2021). "Gene duplications and phylogenomic conflict underlie major pulses of phenotypic evolution in gymnosperms". Nature Plants. 7 (8): 1015–1025. doi:10.1038/s41477-021-00964-4. PMID 34282286. S2CID 236141481.
Zhang, Y; Liu, Z. (7 May 2019). "Genic evidence that gnetophytes are sister to all other seed plants". bioRxiv (preprint). Cold Springs Harbor Laboratory. doi:10.1101/629915. bioRxiv 629915.
Chen, Z.-D.; Yang, T.; Lin, L.; Lu, L.-M.; Li, H.-L.; Sun, M.; et al. (2016). "Tree of life for the genera of Chinese vascular plants". Journal of Systematics and Evolution. 54 (4): 277–306. doi:10.1111/jse.12219.
Zi-Qiang Wang (2004). "A New Permian Gnetalean Cone as Fossil Evidence for Supporting Current Molecular Phylogeny". Annals of Botany. 94 (2): 281–288. doi:10.1093/aob/mch138. PMC 4242163. PMID 15229124.
Coiro, Mario; Roberts, Emily A.; Hofmann, Christa-Ch.; Seyfullah, Leyla J. (2022-12-14). "Cutting the long branches: Consilience as a path to unearth the evolutionary history of Gnetales". Frontiers in Ecology and Evolution. 10: 1082639. doi:10.3389/fevo.2022.1082639. ISSN 2296-701X.
Krassilov, V.A.; Dilcher, D.L.; Douglas, J.G. (January 1998). "New ephedroid plant from the Lower Cretaceous Koonwarra Fossil Bed, Victoria, Australia". Alcheringa: An Australasian Journal of Palaeontology. 22 (2): 123–133. Bibcode:1998Alch...22..123K. doi:10.1080/03115519808619195. ISSN 0311-5518.
Yang, Yong; Wang, Yingwei; Ferguson, David Kay (2020-02-04). "A new macrofossil ephedroid plant with unusual bract morphology from the Lower Cretaceous Jiufotang Formation of northeastern China". BMC Evolutionary Biology. 20 (1): 19. Bibcode:2020BMCEE..20...19Y. doi:10.1186/s12862-019-1569-y. ISSN 1471-2148. PMC 7001366. PMID 32019502.
Yang, Yong; Lin, Longbiao; Ferguson, David K.; Wang, Yingwei (December 2018). "Macrofossil evidence unveiling evolution of male cones in Ephedraceae (Gnetidae)". BMC Evolutionary Biology. 18 (1): 125. Bibcode:2018BMCEE..18..125Y. doi:10.1186/s12862-018-1243-9. ISSN 1471-2148. PMC 6116489. PMID 30157769.
Yang, Yong; Ferguson, David K. (October 2015). "Macrofossil evidence unveiling evolution and ecology of early Ephedraceae". Perspectives in Plant Ecology, Evolution and Systematics. 17 (5): 331–346. doi:10.1016/j.ppees.2015.06.006.
Yang, Yong; Lin, Longbiao; Wang, Qi (2013-03-27). "Chengia laxispicatagen. et sp. nov., a new ephedroid plant from the Early Cretaceous Yixian Formation of western Liaoning, Northeast China: evolutionary, taxonomic, and biogeographic implications". BMC Evolutionary Biology. 13 (1): 72. Bibcode:2013BMCEE..13...72Y. doi:10.1186/1471-2148-13-72. ISSN 1471-2148. PMC 3626868. PMID 23530702.
Jin, Peihong; Zhang, Mingzhen; Du, Baoxia; Zhang, Jing; Sun, Bainian (March 2024). "A new gnetalean macrofossil from the Lower Cretaceous of the Laiyang Basin, eastern China". Plant Diversity. 46 (5): 678–682. doi:10.1016/j.pld.2024.03.002. PMC 11403114. PMID 39290879.
Guo, Shuang-Xing; Sha, Jin-Geng; Bian, Li-Zeng; Qiu, Yin-Long (March 2009). "Male spike strobiles with Gnetum affinity from the Early Cretaceous in western Liaoning, Northeast China". Journal of Systematics and Evolution. 47 (2): 93–102. doi:10.1111/j.1759-6831.2009.00007.x. hdl:2027.42/74128.
Friis, Else Marie; Pedersen, Kaj Raunsgaard; Crane, Peter R. (2014-07-03). "Welwitschioid diversity in the Early Cretaceous: evidence from fossil seeds with pollen from Portugal and eastern North America". Grana. 53 (3): 175–196. Bibcode:2014Grana..53..175F. doi:10.1080/00173134.2014.915980. hdl:20.500.11850/96968. ISSN 0017-3134.
Yang, Yong; Lin, Long-Biao; Ferguson, David K.; Zhang, Shou-Zhou; Wan, Tao (June 2017). "A new gnetalean macrofossil from the Early Cretaceous and its evolutionary significance". Cretaceous Research. 74: 56–64. Bibcode:2017CrRes..74...56Y. doi:10.1016/j.cretres.2017.02.007.
Yang, Yong; Xie, Lei; Ferguson, David K. (October 2017). "Protognetaceae: A new gnetoid macrofossil family from the Jurassic of northeastern China". Perspectives in Plant Ecology, Evolution and Systematics. 28: 67–77. doi:10.1016/j.ppees.2017.08.001.
Ricardi-Branco, Fresia; Torres, Margarita; S., Sandra; de Souza, Ismar; E. Tavares, Paulo G.; Arruda Campos, Antonio C. (2013-05-22), Ray, Pallav (ed.), "Itajuba yansanae Gen and SP NOV of Gnetales, Araripe Basin (Albian-Aptian) in Northeast Brazil", Climate Change and Regional/Local Responses, InTech, doi:10.5772/55704, ISBN 978-953-51-1132-0, retrieved 2020-12-05
Rothwell, Gar W.; Stockey, Ruth A. (March 2013). "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". International Journal of Plant Sciences. 174 (3): 511–529. doi:10.1086/668688. ISSN 1058-5893. S2CID 84063572.
Rydin, Catarina; Friis, Else Marie (2010-06-17). "A new Early Cretaceous relative of Gnetales: Siphonospermum simplexgen. et sp. nov. from the Yixian Formation of Northeast China". BMC Evolutionary Biology. 10 (1): 183. Bibcode:2010BMCEE..10..183R. doi:10.1186/1471-2148-10-183. ISSN 1471-2148. PMC 2900273. PMID 20565755.
Roberts, Emily A.; Martill, David M.; Loveridge, Robert F. (February 2020). "Phytogeographical implications of the probable occurrence of the gnetalean plant Welwitschiophyllum in the Late Cretaceous (Cenomanian) of Africa". Proceedings of the Geologists' Association. 131 (1): 1–7. Bibcode:2020PrGA..131....1R. doi:10.1016/j.pgeola.2019.10.002.
Roberts, Emily A.; Loveridge, Robert F.; Weiß, Jörg; Martill, David M.; Seyfullah, Leyla J. (August 2020). "Reinvestigating the fossil leaf Welwitschiophyllum brasiliense Dilcher et al. (2005), from the Lower Cretaceous Crato Formation of Brazil". Cretaceous Research. 112: 104471. Bibcode:2020CrRes.11204471R. doi:10.1016/j.cretres.2020.104471. S2CID 216313064.
Manchester, Steven R.; Zhang, Xiaoqing; Hotton, Carol L.; Wing, Scott L.; Crane, Peter R. (2021-05-19). "Distinctive quadrangular seed-bearing structures of gnetalean affinity from the Late Jurassic Morrison Formation of Utah, USA". Journal of Systematic Palaeontology. 19 (10): 743–760. Bibcode:2021JSPal..19..743M. doi:10.1080/14772019.2021.1968522. ISSN 1477-2019. S2CID 239021014.
Yang, Yong; Yang, Zhi; Lin, Longbiao; Wang, Yingwei; Ferguson, David Kay (January 2023). "A New Gnetalean Macrofossil from the Mid-Jurassic Daohugou Formation". Plants. 12 (9): 1749. doi:10.3390/plants12091749. ISSN 2223-7747. PMC 10181303. PMID 37176807.

elsevier.com

linkinghub.elsevier.com

Yang, Yong; Ferguson, David K. (October 2015). "Macrofossil evidence unveiling evolution and ecology of early Ephedraceae". Perspectives in Plant Ecology, Evolution and Systematics. 17 (5): 331–346. doi:10.1016/j.ppees.2015.06.006.
Yang, Yong; Lin, Long-Biao; Ferguson, David K.; Zhang, Shou-Zhou; Wan, Tao (June 2017). "A new gnetalean macrofossil from the Early Cretaceous and its evolutionary significance". Cretaceous Research. 74: 56–64. Bibcode:2017CrRes..74...56Y. doi:10.1016/j.cretres.2017.02.007.
Yang, Yong; Xie, Lei; Ferguson, David K. (October 2017). "Protognetaceae: A new gnetoid macrofossil family from the Jurassic of northeastern China". Perspectives in Plant Ecology, Evolution and Systematics. 28: 67–77. doi:10.1016/j.ppees.2017.08.001.
Roberts, Emily A.; Loveridge, Robert F.; Weiß, Jörg; Martill, David M.; Seyfullah, Leyla J. (August 2020). "Reinvestigating the fossil leaf Welwitschiophyllum brasiliense Dilcher et al. (2005), from the Lower Cretaceous Crato Formation of Brazil". Cretaceous Research. 112: 104471. Bibcode:2020CrRes.11204471R. doi:10.1016/j.cretres.2020.104471. S2CID 216313064.

handle.net

hdl.handle.net

Guo, Shuang-Xing; Sha, Jin-Geng; Bian, Li-Zeng; Qiu, Yin-Long (March 2009). "Male spike strobiles with Gnetum affinity from the Early Cretaceous in western Liaoning, Northeast China". Journal of Systematics and Evolution. 47 (2): 93–102. doi:10.1111/j.1759-6831.2009.00007.x. hdl:2027.42/74128.
Friis, Else Marie; Pedersen, Kaj Raunsgaard; Crane, Peter R. (2014-07-03). "Welwitschioid diversity in the Early Cretaceous: evidence from fossil seeds with pollen from Portugal and eastern North America". Grana. 53 (3): 175–196. Bibcode:2014Grana..53..175F. doi:10.1080/00173134.2014.915980. hdl:20.500.11850/96968. ISSN 0017-3134.

harvard.edu

ui.adsabs.harvard.edu

Bowe, L.M.; Coat, G.; dePamphilis, C.W. (2000). "Phylogeny of seed plants based on all three genomic compartments: Extant gymnosperms are monophyletic and Gnetales' closest relatives are conifers". Proceedings of the National Academy of Sciences. 97 (8): 4092–4097. Bibcode:2000PNAS...97.4092B. doi:10.1073/pnas.97.8.4092. PMC 18159. PMID 10760278.
Friis, Else Marie; Crane, Peter R.; Pedersen, Kaj Raunsgaard; Bengtson, Stefan; Donoghue, Philip C.J.; Grimm, Guido W.; Stampanoni, Marco (November 2007). "Phase-contrast X-ray microtomography links Cretaceous seeds with Gnetales and Bennettitales". Nature. 450 (7169): 549–552. Bibcode:2007Natur.450..549F. doi:10.1038/nature06278. ISSN 0028-0836. PMID 18033296. S2CID 1198220.
Qiu, Y.L.; Lee, J.; Bernasconi-Quadroni, F.; Soltis, D.E.; Soltis, P.S.; Zanis, M.; Zimmer, E.A.; Chen, Z.; Savalainen, V. & Chase, M.W. (1999). "The earliest angiosperms: evidence from mitochondrial, plastid and nuclear genomes". Nature. 402 (6760): 404–407. Bibcode:1999Natur.402..404Q. doi:10.1038/46536. PMID 10586879. S2CID 4380796.
Donoghue, M.J.; Doyle, J.A. (2000). "Seed plant phylogeny: demise of the anthophyte hypothesis?". Current Biology. 10 (3): R106 – R109. Bibcode:2000CBio...10.R106D. doi:10.1016/S0960-9822(00)00304-3. PMID 10679315. S2CID 16558206.
Loconte, H.; Stevenson, D.W. (1990). "Cladistics of the Spermatophyta". Brittonia. 42 (3): 197–211. Bibcode:1990Britt..42..197L. doi:10.2307/2807216. JSTOR 2807216. S2CID 36908568.
Coiro, M.; Chomicki, G.; Doyle, J.A. (2018). "Experimental signal dissection and method sensitivity analyses reaffirm the potential of fossils and morphology in the resolution of the relationship of angiosperms and Gnetales". Paleobiology. 44 (3): 490–510. Bibcode:2018Pbio...44..490C. doi:10.1017/pab.2018.23. S2CID 91488394.
Chaw, S.M.; Parkinson, C.L.; Cheng, Y.; Vincent, T.M.; Palmer, J.D. (2000). "Seed plant phylogeny inferred from all three plant genomes: Monophyly of extant gymnosperms and origin of Gnetales from conifers". Proceedings of the National Academy of Sciences USA. 97 (8): 4086–4091. Bibcode:2000PNAS...97.4086C. doi:10.1073/pnas.97.8.4086. PMC 18157. PMID 10760277.
Samigullin, T.K.; Martin, W.F.; Troitsky, A.V.; Antonov, A.S. (1999). "Molecular data from the chloroplast rpoC1 gene suggest a deep and distinct dichotomy of contemporary spermatophytes into two monophyla: gymnosperms (including Gnetalaes) and angiosperms". Journal of Molecular Evolution. 49 (3): 310–315. Bibcode:1999JMolE..49..310S. doi:10.1007/PL00006553. PMID 10473771. S2CID 4232968.
Krassilov, V.A.; Dilcher, D.L.; Douglas, J.G. (January 1998). "New ephedroid plant from the Lower Cretaceous Koonwarra Fossil Bed, Victoria, Australia". Alcheringa: An Australasian Journal of Palaeontology. 22 (2): 123–133. Bibcode:1998Alch...22..123K. doi:10.1080/03115519808619195. ISSN 0311-5518.
Yang, Yong; Wang, Yingwei; Ferguson, David Kay (2020-02-04). "A new macrofossil ephedroid plant with unusual bract morphology from the Lower Cretaceous Jiufotang Formation of northeastern China". BMC Evolutionary Biology. 20 (1): 19. Bibcode:2020BMCEE..20...19Y. doi:10.1186/s12862-019-1569-y. ISSN 1471-2148. PMC 7001366. PMID 32019502.
Yang, Yong; Lin, Longbiao; Ferguson, David K.; Wang, Yingwei (December 2018). "Macrofossil evidence unveiling evolution of male cones in Ephedraceae (Gnetidae)". BMC Evolutionary Biology. 18 (1): 125. Bibcode:2018BMCEE..18..125Y. doi:10.1186/s12862-018-1243-9. ISSN 1471-2148. PMC 6116489. PMID 30157769.
Yang, Yong; Lin, Longbiao; Wang, Qi (2013-03-27). "Chengia laxispicatagen. et sp. nov., a new ephedroid plant from the Early Cretaceous Yixian Formation of western Liaoning, Northeast China: evolutionary, taxonomic, and biogeographic implications". BMC Evolutionary Biology. 13 (1): 72. Bibcode:2013BMCEE..13...72Y. doi:10.1186/1471-2148-13-72. ISSN 1471-2148. PMC 3626868. PMID 23530702.
Friis, Else Marie; Pedersen, Kaj Raunsgaard; Crane, Peter R. (2014-07-03). "Welwitschioid diversity in the Early Cretaceous: evidence from fossil seeds with pollen from Portugal and eastern North America". Grana. 53 (3): 175–196. Bibcode:2014Grana..53..175F. doi:10.1080/00173134.2014.915980. hdl:20.500.11850/96968. ISSN 0017-3134.
Yang, Yong; Lin, Long-Biao; Ferguson, David K.; Zhang, Shou-Zhou; Wan, Tao (June 2017). "A new gnetalean macrofossil from the Early Cretaceous and its evolutionary significance". Cretaceous Research. 74: 56–64. Bibcode:2017CrRes..74...56Y. doi:10.1016/j.cretres.2017.02.007.
Rydin, Catarina; Friis, Else Marie (2010-06-17). "A new Early Cretaceous relative of Gnetales: Siphonospermum simplexgen. et sp. nov. from the Yixian Formation of Northeast China". BMC Evolutionary Biology. 10 (1): 183. Bibcode:2010BMCEE..10..183R. doi:10.1186/1471-2148-10-183. ISSN 1471-2148. PMC 2900273. PMID 20565755.
Roberts, Emily A.; Martill, David M.; Loveridge, Robert F. (February 2020). "Phytogeographical implications of the probable occurrence of the gnetalean plant Welwitschiophyllum in the Late Cretaceous (Cenomanian) of Africa". Proceedings of the Geologists' Association. 131 (1): 1–7. Bibcode:2020PrGA..131....1R. doi:10.1016/j.pgeola.2019.10.002.
Roberts, Emily A.; Loveridge, Robert F.; Weiß, Jörg; Martill, David M.; Seyfullah, Leyla J. (August 2020). "Reinvestigating the fossil leaf Welwitschiophyllum brasiliense Dilcher et al. (2005), from the Lower Cretaceous Crato Formation of Brazil". Cretaceous Research. 112: 104471. Bibcode:2020CrRes.11204471R. doi:10.1016/j.cretres.2020.104471. S2CID 216313064.
Manchester, Steven R.; Zhang, Xiaoqing; Hotton, Carol L.; Wing, Scott L.; Crane, Peter R. (2021-05-19). "Distinctive quadrangular seed-bearing structures of gnetalean affinity from the Late Jurassic Morrison Formation of Utah, USA". Journal of Systematic Palaeontology. 19 (10): 743–760. Bibcode:2021JSPal..19..743M. doi:10.1080/14772019.2021.1968522. ISSN 1477-2019. S2CID 239021014.

intechopen.com

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ncbi.nlm.nih.gov

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sciencedirect.com

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tandfonline.com

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uchicago.edu

journals.uchicago.edu

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wiley.com

onlinelibrary.wiley.com

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worldcat.org

search.worldcat.org

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Rydin, Catarina; Friis, Else Marie (2010-06-17). "A new Early Cretaceous relative of Gnetales: Siphonospermum simplexgen. et sp. nov. from the Yixian Formation of Northeast China". BMC Evolutionary Biology. 10 (1): 183. Bibcode:2010BMCEE..10..183R. doi:10.1186/1471-2148-10-183. ISSN 1471-2148. PMC 2900273. PMID 20565755.
Manchester, Steven R.; Zhang, Xiaoqing; Hotton, Carol L.; Wing, Scott L.; Crane, Peter R. (2021-05-19). "Distinctive quadrangular seed-bearing structures of gnetalean affinity from the Late Jurassic Morrison Formation of Utah, USA". Journal of Systematic Palaeontology. 19 (10): 743–760. Bibcode:2021JSPal..19..743M. doi:10.1080/14772019.2021.1968522. ISSN 1477-2019. S2CID 239021014.
Yang, Yong; Yang, Zhi; Lin, Longbiao; Wang, Yingwei; Ferguson, David Kay (January 2023). "A New Gnetalean Macrofossil from the Mid-Jurassic Daohugou Formation". Plants. 12 (9): 1749. doi:10.3390/plants12091749. ISSN 2223-7747. PMC 10181303. PMID 37176807.