NIGPAS OpenIR
Exceptionally preserved hyolithids from the middle Cambrian of North China
Sun, Haijing(孙海静)1,2,3; Sun, Zhixin(孙志新)3,4; Zhao, Fangchen(赵方臣)3,4
2021-11-01
发表期刊GEOLOGICAL MAGAZINE
ISSN0016-7568
卷号158期号:11页码:1951-1959
摘要

Hyoliths are extinct enigmatic organisms of early lophotrochozoan affinity known globally from the Palaeozoic Era and were especially diverse and abundant in the Cambrian Period. However, the commonly incomplete preservation of hyolith exoskeletons and our limited knowledge of their soft anatomy makes their ecological and biological aspects unclear. Konservat-Lagerstatte are crucial windows to unlock the mysteries of hyoliths. Here we report a new occurrence of exceptionally preserved hyolithid hyoliths from the middle Cambrian Mantou Formation (Miaolingian, Wuliuan) in Shandong Province, North China. The preserved soft organs of the new species Novakotheca weifangensis sp. nov. include a U-shaped gut and possible pharynx, oesophagus, stomach and digestive gland, which provide significant new information for the reconstruction of the digestive system of hyolithids. Two taphonomic modes of hyoliths described herein are recognized: soft tissue preservation through pyritization and three-dimensional shell preservation through phosphatization. Morphological variations due to different preservational pathways in the same species are revealed, highlighting the taphonomic bias on taxonomy. The ecological association between hyoliths and small brachiopod epibionts is a direct example of species interactions, providing insights into the ecological structures and adaptability of early animals during Cambrian time.

关键词Hyolitha soft anatomy taphonomy epibiont association Burgess Shale-type Lagerstatte
DOI10.1017/S0016756821000510
收录类别SCI
语种英语
关键词[WOS]KONSERVAT-LAGERSTATTE ; ORDOVICIAN ; SHALE ; PYRITIZATION ; TAPHONOMY ; MORPHOLOGY ; TAXONOMY ; MOLLUSCA ; FOSSILS ; FAUNAS
资助项目Strategic Priority Research Programme (B) of the Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[41602002] ; State Key Laboratory of Palaeobiology and Stratigraphy (SKLPS, NIGPAS)[193125] ; China Postdoctoral Science Foundation[2020M682935]
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000727656200005
项目资助者Strategic Priority Research Programme (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy (SKLPS, NIGPAS) ; China Postdoctoral Science Foundation
出版者CAMBRIDGE UNIV PRESS
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/40232
专题中国科学院南京地质古生物研究所
通讯作者Sun, Haijing(孙海静)
作者单位1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Isotope Geochem, Guangzhou 510640, Peoples R China
2.CAS Ctr Excellence Deep Earth Sci, Guangzhou 510640, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Ctr Excellence Life & Palaeoenvironm, Nanjing 210008, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, 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
Sun, Haijing,Sun, Zhixin,Zhao, Fangchen. Exceptionally preserved hyolithids from the middle Cambrian of North China[J]. GEOLOGICAL MAGAZINE,2021,158(11):1951-1959.
APA Sun, Haijing,Sun, Zhixin,&Zhao, Fangchen.(2021).Exceptionally preserved hyolithids from the middle Cambrian of North China.GEOLOGICAL MAGAZINE,158(11),1951-1959.
MLA Sun, Haijing,et al."Exceptionally preserved hyolithids from the middle Cambrian of North China".GEOLOGICAL MAGAZINE 158.11(2021):1951-1959.
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