globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2013.11.004
论文题名:
The burrow dwelling behavior and locomotion of palaeoscolecidian worms: New fossil evidence from the Cambrian Chengjiang fauna
作者: Huang D.; Chen J.; Zhu M.; Zhao F.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2014
卷: 398
起始页码: 154
结束页码: 164
语种: 英语
英文关键词: Burrow ; Cambrian ; Cricocosmia ; Life habit ; Mafangscolex ; Palaeoscolecidian ; Trace ; Worms
英文摘要: Palaeoscolecidian worms are abundant components in Paleozoic shallow marine communities; however, their life habits remain poorly known. Here we present evidence of burrow dwelling behavior of palaeoscolecidian worms based on well-preserved specimens of Cricocosmia jinningensis and Mafangscolex sinensis from the lower Cambrian Maotianshan Shale. C. jinningensis was found living within elongate burrows, either of cylindrical or more rarely of swollen sac-like shape, while M. sinensis lived in elongate and slender tube-like burrows. The wall of the burrow has a sharp boundary from the surrounding sediment, which may have been consolidated by the worm itself and it resembles the recent priapulid worm Maccabeus. It is demonstrated that M. sinensis makes a snake-twisting movement in its burrow that differs from crawling behavior of C. jinningensis by the use of two rows of lateral plates. The lined burrows of Maotianshania cylindrica previously reported are in fact made by C. jinningensis and M. sinensis. © 2013 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69431
Appears in Collections:过去全球变化的重建

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作者单位: State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China; Institute of Evo/Developmental Biology, Nanjing University, Nanjing 210093, China

Recommended Citation:
Huang D.,Chen J.,Zhu M.,et al. The burrow dwelling behavior and locomotion of palaeoscolecidian worms: New fossil evidence from the Cambrian Chengjiang fauna[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2014-01-01,398
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