Revised taxonomy of selected fossil endocarp species in the Menispermaceae using a morphometric approach

doi:10.5252/g2011n1a8

	Revised taxonomy of selected fossil endocarp species in the Menispermaceae using a morphometric approach
	Jacques, Frederic M. B.3,4; Liu, Christopher Yu-Sheng 1,2; Martinetto, Edoardo 5; Zhou, Zhe-Kun3
通讯作者	frederic.jacques@nigpas.ac.cn ; liuc@etsu.edu ; edoardo.martinetto@unito.it ; zhouzk@mail.kib.ac.cn
	2011
发表期刊	GEODIVERSITAS
ISSN	1280-9659
卷号	33 期号:1 页码:177-197
摘要	Several Cenozoic endocarp remains from the northern hemisphere have been described with strong affinities to either Menispermum L. or Sinomenium Die Is, a monophyletic group of menispermous vines. It has been proposed that all of these fossil species are synonymous and should be included within Sinomenium. In order to evaluate this suggestion, we have studied the morphological variation ranges in the menispermous endocarps with geometric morphometrics, and then the ranges of the selected fossil endocarps is compared to the ranges of modern endocarps. The shape of each endocarp is described using eight landmarks and 17 semilandmarks, accounting for the outline and the positions of lateral ridge and foramen on the endocarps. Endocarp ornamentation is studied by statistical comparisons of the number of transverse ridges. It is concluded that the ranges of variation within the fossil genera, all morphologically related to horseshoe-shaped endocarps in Menispermaceae, are found not to be greater than that in the only extant species of Sinomenium, S. acutum (Thunb.) Rehder & Wilson. Sinomenium macrocarpum Liu & Jacques, 2010 differs from the other fossil species of Sinomenium by its higher number of transverse ridges. All other fossil species of Sinomenium, except S. macrocarpum, and Wardensheppeya Eyde, 1970 are synonymous. Menispermum? taylori Chandler, 1964 is transferred to Sinomenium. The fossil genus Palaeosinomenium Chandler, 1961 is confirmed through the obliquity of its endocarp, but all species are found to be synonymous. Menispermicarpum rariforme Chandler, 1961 is also included in Palaeosinomenium.
关键词	Menispermaceae Menispermum Sinomenium Morphometrics Semilandmark Fossil
学科领域	Paleontology
DOI	10.5252/g2011n1a8
收录类别	SCI
语种	英语
WOS记录号	WOS:000289502500009
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/3844
专题	中国科学院东亚植物多样性与生物地理学重点实验室
作者单位	1.E Tennessee State Univ, Dept Biol Sci, Johnson City, TN 37614 USA 2.E Tennessee State Univ, Don Sundquist Ctr Excellence Paleontol, Johnson City, TN 37614 USA 3.Chinese Acad Sci, Key Lab Biodivers & Biogeog, Kunming Inst Bot, Kunming 650204, Yunnan, Peoples R China 4.Chines Acad Sci, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China 5.Univ Torino, Dipartimento Sci Terra, I-10125 Turin, Italy
推荐引用方式 GB/T 7714	Jacques, Frederic M. B.,Liu, Christopher Yu-Sheng,Martinetto, Edoardo,et al. Revised taxonomy of selected fossil endocarp species in the Menispermaceae using a morphometric approach[J]. GEODIVERSITAS,2011,33(1):177-197.
APA	Jacques, Frederic M. B.,Liu, Christopher Yu-Sheng,Martinetto, Edoardo,&Zhou, Zhe-Kun.(2011).Revised taxonomy of selected fossil endocarp species in the Menispermaceae using a morphometric approach.GEODIVERSITAS,33(1),177-197.
MLA	Jacques, Frederic M. B.,et al."Revised taxonomy of selected fossil endocarp species in the Menispermaceae using a morphometric approach".GEODIVERSITAS 33.1(2011):177-197.

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