Taxonomy and evolution of earliest Ordovician graptoloids
文献类型：期刊论文
| 作者 | Cooper, RA; Maletz, J; Wang, HF; Erdtmann, BD |
| 刊名 | NORSK GEOLOGISK TIDSSKRIFT
 |
| 出版日期 | 1998 |
| 卷号 | 78期号:1页码:3-32 |
| ISSN号 | 0029-196X |
| 文献子类 | Article |
| 英文摘要 | The sequence, taxonomy and inferred phylogeny of earliest Ordovician graptoloids have been determined from stratigraphic sections in Newfoundland, Norway, China and elsewhere. Rhabdinopora is analysed in terms of population systematics and is envisaged as a diverse complex of intergrading populations that change in time (stratigraphic subspecies) and in ecological space (ecological subspecies). The main lineage, developed in sequences representing the deep shelf to continental slope environment, comprises the successive subspecies of R. flabelliformis-parabola, canadensis, flabelliformis, anglica and, probably, bryograptoides and is developed through the early and early-late Tremadoc. R. f. parabola, a key graptolite for correlation of the base of the Ordovician System, is described in derail. The shallow water inshore forms, R. f. socialis and R. f. norvegica are interpreted as ecological subspecies. The genus is characterized by quadriradiate development type, now known to be present in all subspecies in which the development type can be determined. The genera Staurograptus and Anisograptus are redefined and described and their species interpreted as populations with a wide range of morphologic variance. Triramograptus atavus gen. et sp. nov. is described from Newfoundland. The stratigraphic ranges of all species are revised and their zonal distribution presented. |
| WOS关键词 | PHYLOGENETIC CLASSIFICATION |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000072531000001 |
| 出版者 | TAPIR ACADEMIC PRESS |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/75036]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Cooper, RA |
| 作者单位 | 1.Inst Geol & Nucl Sci, Lower Hutt, New Zealand 2.Ernst Moritz Arndt Univ Greifswald, Inst Geol Wissensch, Greifswald, Germany 3.Acad Sinica, Inst Geol & Palaeontol, Nanjing 210008, Peoples R China 4.Tech Univ Berlin, Inst Angew Geowissensch 2, D-1000 Berlin, Germany |
| 推荐引用方式 GB/T 7714 | Cooper, RA,Maletz, J,Wang, HF,et al. Taxonomy and evolution of earliest Ordovician graptoloids[J]. NORSK GEOLOGISK TIDSSKRIFT,1998,78(1):3-32. |
| APA | Cooper, RA,Maletz, J,Wang, HF,&Erdtmann, BD.(1998).Taxonomy and evolution of earliest Ordovician graptoloids.NORSK GEOLOGISK TIDSSKRIFT,78(1),3-32. |
| MLA | Cooper, RA,et al."Taxonomy and evolution of earliest Ordovician graptoloids".NORSK GEOLOGISK TIDSSKRIFT 78.1(1998):3-32. |
入库方式： OAI收割
来源：地质与地球物理研究所
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