KMS Nanjing Institute of Geology and Palaeonotology,CAS
The developmental trend of labrum and median eyes of Orsten-type preserved Phosphatocopina (Crustacea) | |
Liu Zheng1,2; Dong XiPing1,2 | |
2010 | |
发表期刊 | SCIENCE CHINA-EARTH SCIENCES |
ISSN | 1674-7313 |
卷号 | 53期号:1页码:18-26 |
摘要 | The Phosphatocopina (Crustacea, Arthropoda) is an important group of 'Orsten-type' preserved fossils. It is resolved as the sister-group of Eucrustacea. Here we study the labrum, the median eyes, and the inner lamella of Phosphatocopina based on the selected specimens respectively from western Hunan, South China, and Sweden. The labrum characters of different species exhibit interspecific difference. The ratio of labrum length/shield length is significant to the reconstruction of the ontogeny of phosphatocopines. The labrum characters should be introduced to the diagnosis of Phosphatocopina. In the earliest growth stage, the median eyes were inconspicuous, almost as flat as the other area of the hypstome. However, with the growth of the individuals they became conspicuous. There were two obviously concave structures on the ventral side of the hypostome in later stages, which were the positions where the median eyes should have been located. In addition, the two modes of preservation of the inner lamella, i.e., that of shrinking and that of bulging up, are interpreted as the preservational artifact herein. |
关键词 | Phosphatocopina Crustacea Orsten-type preservation morphology ontogeny Cambrian South China Sweden |
DOI | 10.1007/s11430-010-0006-2 |
语种 | 英语 |
关键词[WOS] | 3-DIMENSIONAL PRESERVATION ; ANIMAL EMBRYOS ; CHINA ; APPENDAGES ; MIDDLE |
资助项目 | National Natural Science Foundation of China[40772008] ; National Natural Science Foundation of China[40572003] ; Doctoral Program of High Education[20060001059] ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences[103102] |
WOS研究方向 | Geology |
WOS类目 | Geosciences, Multidisciplinary |
WOS记录号 | WOS:000276546600002 |
项目资助者 | National Natural Science Foundation of China ; Doctoral Program of High Education ; State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences |
出版者 | SCIENCE CHINA PRESS |
文献类型 | 期刊论文 |
条目标识符 | http://ir.nigpas.ac.cn/handle/332004/430 |
专题 | 中国科学院南京地质古生物研究所 |
通讯作者 | Dong XiPing |
作者单位 | 1.Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China 2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China |
第一作者单位 | 中国科学院南京地质古生物研究所 |
通讯作者单位 | 中国科学院南京地质古生物研究所 |
推荐引用方式 GB/T 7714 | Liu Zheng,Dong XiPing. The developmental trend of labrum and median eyes of Orsten-type preserved Phosphatocopina (Crustacea)[J]. SCIENCE CHINA-EARTH SCIENCES,2010,53(1):18-26. |
APA | Liu Zheng,&Dong XiPing.(2010).The developmental trend of labrum and median eyes of Orsten-type preserved Phosphatocopina (Crustacea).SCIENCE CHINA-EARTH SCIENCES,53(1),18-26. |
MLA | Liu Zheng,et al."The developmental trend of labrum and median eyes of Orsten-type preserved Phosphatocopina (Crustacea)".SCIENCE CHINA-EARTH SCIENCES 53.1(2010):18-26. |
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