KMS Nanjing Institute of Geology and Palaeonotology,CAS
Astogenetic aspects of the dendroid graptolite Airograptus (Late Cambrian-Early Ordovician) and their phylogenetic implications | |
Zhang, YD (张元动); Erdtmann, BD | |
2004-12-01 | |
发表期刊 | LETHAIA |
ISSN | 0024-1164 |
卷号 | 37期号:4页码:457-465 |
摘要 | Based on a Backscatter Electron (BSE) examination of partially 3-dimensional graptolite specimens of Airograptus from the Tremadocian (Early Ordovician) Yehli Formation at Dayangcha, Baishan of Jilin Province, NE China, the thecal structure and astogenetic aspects of this genus (except for the missing proximal part) are described and illustrated in detail. In the present Collection, no furcating but only peltate thecal apertural processes are confirmed. A comparison between the presumably benthic dendroid Airograptus and Rhabdinopora, the earliest planktonic graptolite, indicates that there are remarkable similarities in astogenetic aspects between them, although there are also differences in the development of dissepiments and thecal apertural processes. A possible ancestor-descendent relationship between the two genera is herein proposed. |
关键词 | Astogeny Backscatter Electron China Dendroid Graptolite Ordovician |
DOI | 10.1080/00241160410002199 |
语种 | 英语 |
关键词[WOS] | Taxonomy |
WOS研究方向 | Paleontology |
WOS类目 | Paleontology |
WOS记录号 | WOS:000225767600010 |
出版者 | TAYLOR & FRANCIS AS |
文献类型 | 期刊论文 |
条目标识符 | http://ir.nigpas.ac.cn/handle/332004/994 |
专题 | 中国科学院南京地质古生物研究所 其他 |
通讯作者 | Zhang, YD (张元动) |
作者单位 | 1.Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China 2.Tech Univ Berlin, Inst Angew Geowissensch, D-10587 Berlin, Germany |
推荐引用方式 GB/T 7714 | Zhang, YD ,Erdtmann, BD. Astogenetic aspects of the dendroid graptolite Airograptus (Late Cambrian-Early Ordovician) and their phylogenetic implications[J]. LETHAIA,2004,37(4):457-465. |
APA | Zhang, YD ,&Erdtmann, BD.(2004).Astogenetic aspects of the dendroid graptolite Airograptus (Late Cambrian-Early Ordovician) and their phylogenetic implications.LETHAIA,37(4),457-465. |
MLA | Zhang, YD ,et al."Astogenetic aspects of the dendroid graptolite Airograptus (Late Cambrian-Early Ordovician) and their phylogenetic implications".LETHAIA 37.4(2004):457-465. |
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