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DOI | 10.1038/s41467-019-13882-z |
Discovery of bilaterian-type through-guts in cloudinomorphs from the terminal Ediacaran Period | |
Schiffbauer, James D.1,2; Selly, Tara1,2; Jacquet, Sarah M.1; Merz, Rachel A.3; Nelson, Lyle L.4; Strange, Michael A.5; Cai, Yaoping6,7; Smith, Emily F.4 | |
2020-01-10 | |
发表期刊 | NATURE COMMUNICATIONS
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ISSN | 2041-1723 |
出版年 | 2020 |
卷号 | 11期号:1 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Peoples R China |
英文摘要 | The fossil record of the terminal Ediacaran Period is typified by the iconic index fossil Cloudina and its relatives. These tube-dwellers are presumed to be primitive metazoans, but resolving their phylogenetic identity has remained a point of contention. The root of the problem is a lack of diagnostic features; that is, phylogenetic interpretations have largely centered on the only available source of information-their external tubes. Here, using tomographic analyses of fossils from the Wood Canyon Formation (Nevada, USA), we report evidence of recognizable soft tissues within their external tubes. Although alternative interpretations are plausible, these internal cylindrical structures may be most appropriately interpreted as digestive tracts, which would be, to date, the earliest-known occurrence of such features in the fossil record. If this interpretation is correct, their nature as one-way through-guts not only provides evidence for establishing these fossils as definitive bilaterians but also has implications for the long-debated phylogenetic position of the broader cloudinomorphs. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000551459800001 |
WOS关键词 | GAOJIASHAN LAGERSTATTE ; BURGESS SHALE ; ORGANISM CLOUDINA ; SOUTHERN SHAANXI ; FOSSIL CLOUDINA ; INDEX FOSSIL ; NAMA GROUP ; WORMS ; POLYCHAETE ; AFFINITIES |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/249928 |
专题 | 资源环境科学 |
作者单位 | 1.Univ Missouri, Dept Geol Sci, Columbia, MO 65211 USA; 2.Univ Missouri, Xray Microanal Core, Columbia, MO 65211 USA; 3.Swarthmore Coll, Biol Dept, Swarthmore, PA 19081 USA; 4.Johns Hopkins Univ, Dept Earth & Planetary Sci, Baltimore, MD 21218 USA; 5.Univ Nevada, Dept Geosci, Las Vegas, NV 89154 USA; 6.Northwest Univ, State Key Lab Continental Dynam, Shaanxi Key Lab Early Life & Environm, Xian 710069, Peoples R China; 7.Northwest Univ, Dept Geol, Xian 710069, Peoples R China |
推荐引用方式 GB/T 7714 | Schiffbauer, James D.,Selly, Tara,Jacquet, Sarah M.,et al. Discovery of bilaterian-type through-guts in cloudinomorphs from the terminal Ediacaran Period[J]. NATURE COMMUNICATIONS,2020,11(1). |
APA | Schiffbauer, James D..,Selly, Tara.,Jacquet, Sarah M..,Merz, Rachel A..,Nelson, Lyle L..,...&Smith, Emily F..(2020).Discovery of bilaterian-type through-guts in cloudinomorphs from the terminal Ediacaran Period.NATURE COMMUNICATIONS,11(1). |
MLA | Schiffbauer, James D.,et al."Discovery of bilaterian-type through-guts in cloudinomorphs from the terminal Ediacaran Period".NATURE COMMUNICATIONS 11.1(2020). |
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