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An early Cambrian pelago-benthic acorn worm and the origin of the hemichordate larva

文献类型：期刊论文

作者Yang, Xianfeng11; Kimmig, Julien9,10; Cameron, Christopher B.8; Nanglu, Karma6,7; Kimmig, Sara R.5; de Carle, Danielle4; Zhang, Caixia2,3; Yu, Mengxiao3; Peng, Shanchi1
刊名PALAEONTOLOGIA ELECTRONICA
出版日期2024
卷号37期号:1页码:19
关键词new genus new species lower Cambrian Chengjiang Enteropneusta Ambulacraria
ISSN号1935-3952
DOI10.26879/1356
通讯作者Yang, Xianfeng(279751300@qq.com) ; Kimmig, Julien(julien.kimmig@smnk.de)
英文摘要Enteropneusts (acorn worms) are hemichordates, the sister group to echinoderms. Together they form the clade Ambulacraria, which is closely related to chordates. All three groups appear in the lower Cambrian, but their interrelationships remain problematic, which impedes the understanding of early deuterostome evolution. Enteropneusts are also extremely rare in the fossil record, only a few species are known from Lagerstatten-type deposits. Here, we describe the earliest known enteromens, including tornaria larvae and juveniles, from the lower Cambrian (Epoch 2, Stage 3) Haiyan Lagerstatte, Chengjiang biota, of China. The enteropneust larvae and post-metamorphic juveniles are the first reported in the fossil record and provide direct evidence for a pelago-benthic lifestyle in a Cambrian deuterostome animal, bolstering the hypothesis that an indirect development is primitive to the enteropneusts and maybe the hemichordates or whole of Ambulacraria.
WOS关键词MACKENZIE MOUNTAINS ; ROCKSLIDE FORMATION ; DISPERSAL DISTANCE ; SPECIES LONGEVITY ; ENTEROPNEUSTA ; EVOLUTION ; HARRIMANIIDAE ; INVERTEBRATES ; MORPHOLOGY ; WATERBORNE
资助项目National Natural Science Foundation of China[42162001] ; National Natural Science Foundation of China[41562001] ; National Natural Science Foundation of China[41062001] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[103113] ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)[20191101]
WOS研究方向Paleontology
语种英语
WOS记录号WOS:001180303600001
出版者COQUINA PRESS
资助机构National Natural Science Foundation of China ; State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS)
源URL[http://ir.nigpas.ac.cn/handle/332004/43535]  
专题中国科学院南京地质古生物研究所
通讯作者Yang, Xianfeng; Kimmig, Julien
作者单位1.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
2.Yunnan Univ, MEC Int Joint Lab Palaeobiol & Palaeoenvironment, Kunming 650091, Peoples R China
3.Yunnan Univ, Yunnan Key Lab Palaeobiol, North Cuihu Rd 2, Kunming 650091, Peoples R China
4.Univ Toronto, Dept Ecol & Evolutionary Biol, 25 Willcocks St, Toronto, ON M5S 2B4, Canada
5.Karlsruhe Inst Technol KIT, Inst Geog & Geoecol, Reinhard Baumeister Pl 1, D-76131 Karlsruhe, Germany
6.Harvard Univ, Dept Organism & Evolutionary Biol, 26 Oxford St, Cambridge, MA 02138 USA
7.Harvard Univ, Museum Comparat Zool, 26 Oxford St, Cambridge, MA 02138 USA
8.Univ Montreal, Dept Sci Biol, CP 6128, Montreal, PQ H3C 3J7, Canada
9.Univ North Dakota, Harold Hamm Sch Geol & Geol Engn, Grand Forks, ND 58202 USA
10.Staatl Museum Nat Kunde Karlsruhe, Abt Geowissensch, D-76133 Karlsruhe, Germany
推荐引用方式
GB/T 7714		 Yang, Xianfeng,Kimmig, Julien,Cameron, Christopher B.,et al. An early Cambrian pelago-benthic acorn worm and the origin of the hemichordate larva[J]. PALAEONTOLOGIA ELECTRONICA,2024,37(1):19.
APA Yang, Xianfeng.,Kimmig, Julien.,Cameron, Christopher B..,Nanglu, Karma.,Kimmig, Sara R..,...&Peng, Shanchi.(2024).An early Cambrian pelago-benthic acorn worm and the origin of the hemichordate larva.PALAEONTOLOGIA ELECTRONICA,37(1),19.
MLA Yang, Xianfeng,et al."An early Cambrian pelago-benthic acorn worm and the origin of the hemichordate larva".PALAEONTOLOGIA ELECTRONICA 37.1(2024):19.

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来源：南京地质古生物研究所

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