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Dicroidium (foliage) and affiliated wood Part 3 of a reassessment of Gondwana Triassic plant genera and a reclassification of some previously attributed
Alcheringa: An Australasian Journal of Palaeontology ( IF 1.2 ) Pub Date : 2019-07-09 , DOI: 10.1080/03115518.2019.1622779
Heidi M. Anderson , Maria Barbacka , Marion K. Bamford , W. B. Keith Holmes , John M. Anderson

Anderson, H.M., Barbacka, M., Bamford, M.K., Holmes, W.B.K. & Anderson, J.M., 10 July 2019. Dicroidium (foliage) and affiliated wood; Part 3 of a reassessment of Gondwana Triassic plant genera and a reclassification of some previously attributed. Alcheringa 44, 64–92. ISSN 0311-5518 Dicroidium belonging to Umkomasiaceae (Corystospermaceae) in the polyphyletic pteridosperms (seed-ferns) is reassessed comprehensively worldwide and emended. All records are analysed and some attributed to the genus previously are reclassified. Dicroidium leaves are clearly affiliated with Umkomasia ‘megasporophylls’ and Pteruchus ‘microsporophylls’. The attachments of Dicroidium leaves to stems and associated wood genera are reviewed. Dicroidium is shown to be restricted to the Triassic of Gondwana, where it is by far the most prominent and diverse genus with 23 accepted species. It is well represented in collections from South America, Antarctica, India, Australia, New Zealand and southern Africa from where the Molteno Formation is the most comprehensively sampled stratigraphic unit, yielding numerous species from 75 assemblages. The problems of defining the limits of Dicroidium and its species are addressed. The records of leaf fragments from the Indian Nidpur Flora, Early Triassic, are questionably referable to Dicroidium, whereas the multiple forking leaves from the Cisuralian of India await description as a new peltasperm genus. The forked leaves from the (?)Lopingian of Jordan, previously classified as Dicroidium, are reassessed and placed in the new genus Jordaniopteris. Heidi M. Anderson [hmsholmes@googlemail.com], Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg 20150, South Africa; Maria Barbacka [maria.barbacka@gmail.com], W. Szafer Institute of Botany, Polish Academy of Sciences, Lubicz 46, Kraków 31-512, Poland, Botanical Department, Hungarian Natural History Museumartmem H-1431, Budapest, Pf. 137, Hungary; Marion K. Bamford [marion.bamford@wits.ac.za], Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg 20150, South Africa; W. B. Keith Holmes [wbkholmes@hotmail.com], 46 Kurrajong Street, Dorrigo, NSW 2453, Australia, University of New England, Armidale, NSW 2351, Australia; John M. Anderson [jmanderson.gondwana@googlemail.com], Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg 20150, South Africa.

中文翻译:

Dicroidium(叶子)和附属木材 冈瓦纳三叠纪植物属重新评估的第 3 部分和一些先前归因的重新分类

Anderson, HM, Barbacka, M., Bamford, MK, Holmes, WBK & Anderson, JM,2019 年 7 月 10 日。冈瓦纳三叠纪植物属重新评估的第 3 部分以及对先前归因的一些重新分类。阿尔切林加 44、64-92。ISSN 0311-5518 在多系蕨类植物(种子蕨)中属于 Umkomasiaceae(Corystospermaceae)的 Dicroidium 在全球范围内进行了全面的重新评估和修订。分析了所有记录,并重新分类了先前属于该属的一些记录。Dicroidium 叶子显然隶属于 Umkomasia 'megasporophylls' 和 Pteruchus 'microsporophylls'。审查了 Dicroidium 叶对茎和相关木材属的附着。Dicroidium 被证明仅限于冈瓦纳三叠纪,它是迄今为止最突出和最多样化的属,有 23 个被接受的物种。它在南美洲、南极洲、印度、澳大利亚、新西兰和南部非洲的收藏中得到了很好的体现,其中 Molteno 组是采样最全面的地层单元,产生了来自 75 个组合的众多物种。解决了确定 Dicroidium 及其物种限制的问题。来自印度尼德普尔植物群,早三叠世的叶子碎片的记录与 Dicroidium 有问题,而来自印度 Cisuralian 的多分叉叶子等待描述为新的 peltasperm 属。约旦 (?) Lopingian 的分叉叶,以前被归类为 Dicroidium,被重新评估并置于新的 Jordaniopteris 属中。海蒂 M. 安德森 [hmsholmes@googlemail.com],进化研究所,威特沃特斯兰德大学,约翰内斯堡 20150,南非;Maria Barbacka [maria.barbacka@gmail.com],波兰科学院 W. Szafer 植物学研究所,Lubicz 46,Kraków 31-512,波兰,植物学系,匈牙利自然历史博物馆 H-1431,布达佩斯,Pf。137,匈牙利;Marion K. Bamford [marion.bamford@wits.ac.za],金山大学进化研究所,约翰内斯堡 20150,南非;WB Keith Holmes [wbkholmes@hotmail.com], 46 Kurrajong Street, Dorrigo, NSW 2453, Australia,新英格兰大学,阿米代尔,NSW 2351,澳大利亚;John M. Anderson [jmanderson.gondwana@googlemail.com],进化研究所,金山大学,约翰内斯堡 20150,南非。南非; Maria Barbacka [maria.barbacka@gmail.com],波兰科学院 W. Szafer 植物学研究所,Lubicz 46,Kraków 31-512,波兰,植物系,匈牙利自然历史博物馆 H-1431,布达佩斯,Pf。137,匈牙利;Marion K. Bamford [marion.bamford@wits.ac.za],金山大学进化研究所,约翰内斯堡 20150,南非;WB Keith Holmes [wbkholmes@hotmail.com], 46 Kurrajong Street, Dorrigo, NSW 2453, Australia,新英格兰大学,阿米代尔,NSW 2351,澳大利亚;John M. Anderson [jmanderson.gondwana@googlemail.com],进化研究所,金山大学,约翰内斯堡 20150,南非。南非; Maria Barbacka [maria.barbacka@gmail.com],波兰科学院 W. Szafer 植物学研究所,Lubicz 46,Kraków 31-512,波兰,植物系,匈牙利自然历史博物馆 H-1431,布达佩斯,Pf。137,匈牙利;Marion K. Bamford [marion.bamford@wits.ac.za],金山大学进化研究所,约翰内斯堡 20150,南非;WB Keith Holmes [wbkholmes@hotmail.com], 46 Kurrajong Street, Dorrigo, NSW 2453, Australia,新英格兰大学,阿米代尔,NSW 2351,澳大利亚;John M. Anderson [jmanderson.gondwana@googlemail.com],进化研究所,金山大学,约翰内斯堡 20150,南非。植物学部,匈牙利自然历史博物馆artmem H-1431,布达佩斯,Pf。137,匈牙利;Marion K. Bamford [marion.bamford@wits.ac.za],金山大学进化研究所,约翰内斯堡 20150,南非;WB Keith Holmes [wbkholmes@hotmail.com], 46 Kurrajong Street, Dorrigo, NSW 2453, Australia,新英格兰大学,阿米代尔,NSW 2351,澳大利亚;John M. Anderson [jmanderson.gondwana@googlemail.com],进化研究所,金山大学,约翰内斯堡 20150,南非。植物学部,匈牙利自然历史博物馆artmem H-1431,布达佩斯,Pf。137,匈牙利;Marion K. Bamford [marion.bamford@wits.ac.za],金山大学进化研究所,约翰内斯堡 20150,南非;WB Keith Holmes [wbkholmes@hotmail.com], 46 Kurrajong Street, Dorrigo, NSW 2453, Australia,新英格兰大学,阿米代尔,NSW 2351,澳大利亚;John M. Anderson [jmanderson.gondwana@googlemail.com],进化研究所,金山大学,约翰内斯堡 20150,南非。澳大利亚,新英格兰大学,阿米代尔,新南威尔士州 2351,澳大利亚;John M. Anderson [jmanderson.gondwana@googlemail.com],进化研究所,金山大学,约翰内斯堡 20150,南非。澳大利亚,新英格兰大学,阿米代尔,新南威尔士州 2351,澳大利亚;John M. Anderson [jmanderson.gondwana@googlemail.com],进化研究所,金山大学,约翰内斯堡 20150,南非。
更新日期:2019-07-09
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