早寒武世澄江生物群管状大柔石的解剖、古技术及系统发育亲缘关系

IF 2.3 2区 地球科学 Q1 PALEONTOLOGY
Hai-Ning Sun, Fangchen Zhao, Maoyan Zhu
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引用次数: 1

摘要

华南澄江早寒武世生物群中许多保存完好的化石类群在后生动物早期进化树的构建和分析中发挥了重要作用。另外一些基于有限性状建立起来的澄江类群,对其古生物学的关键方面的研究很少或根本没有,因此它们的系统发育意义难以评价。一个这样的分类群是大型圆锥形动物Glossolites magnus。这里特别保存的这种软体物种的新材料,带有口触须和内部结构,表明G. magnus不是像之前提出的那样,是一种水蛭。这项工作为可能的生物亲和性和古技术提供了进一步的信息,这仍然是一个悬而未决的问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Anatomy, palaeoautecology and phylogenetic affinity of tubular Glossolites magnus from the early Cambrian Chengjiang biota, South China
A number of well‐preserved fossil taxa from the early Cambrian Chengjiang biota of South China have played important roles in the construction and analysis of the early evolutionary tree of metazoans. Certain other Chengjiang taxa, erected based on limited characters, have yielded little or no information concerning key aspects of their palaeobiology, and consequently their phylogenetic significance has been difficult to assess. One such taxon is the large conical animal Glossolites magnus. Exceptionally preserved new material of this soft‐bodied species herein, bearing oral tentacles and internal structures, indicates that G. magnus is not, as previously proposed, a hyolith. This work provides further information about possible biological affinities and palaeoautecology, which still remain open questions.
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来源期刊
Papers in Palaeontology
Papers in Palaeontology PALEONTOLOGY-
CiteScore
4.50
自引率
4.30%
发文量
55
期刊介绍: Papers in Palaeontology is the successor to Special Papers in Palaeontology and a journal of the Palaeontological Association (www.palass.org). The journal is devoted to the publication of papers that document the diversity of past life and its distribution in time and space. Papers in Palaeontology is devoted to the publication of papers that document the diversity of past life and its distribution in time and space. As a sister publication to Palaeontology its focus is on descriptive research, including the descriptions of new taxa, systematic revisions of higher taxa, detailed biostratigraphical and biogeographical documentation, and descriptions of floras and faunas from specific localities or regions. Most contributions are expected to be less than 30 pp long but longer contributions will be considered if the material merits it, including single topic parts. The journal publishes a wide variety of papers on palaeontological topics covering: palaeozoology, palaeobotany, systematic studies, palaeoecology, micropalaeontology, palaeobiogeography, functional morphology, stratigraphy, taxonomy, taphonomy, palaeoenvironmental reconstruction, palaeoclimate analysis, biomineralization studies.
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