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The oldest Cambrian...
The oldest Cambrian trilobite - brachiopod association in South China
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- Zhang, Zhiliang (författare)
- Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Shaanxi Key Lab Early Life & Environm, Xian 710069, Peoples R China.;Macquarie Univ, Dept Biol Sci, Sydney, NSW 2109, Australia.;Uppsala Univ, Inst Earth Sci, Palaeobiol, SE-75236 Uppsala, Sweden.
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- Pour, Mansoureh Ghobadi (författare)
- Uppsala universitet,Paleobiologi,Golestan Univ, Fac Sci, Dept Geol, Gorgan, Golestan, Iran.;Natl Museum Wales, Dept Geol, Cathays Pk, Cardiff CF10 3NP, Wales.
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- Popov, Leonid E. (författare)
- Natl Museum Wales, Dept Geol, Cathays Pk, Cardiff CF10 3NP, Wales.
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- Holmer, Lars E., 1960- (författare)
- Uppsala universitet,Paleobiologi,Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Shaanxi Key Lab Early Life & Environm, Xian 710069, Peoples R China
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- Chen, Feiyang (författare)
- Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Shaanxi Key Lab Early Life & Environm, Xian 710069, Peoples R China.;Macquarie Univ, Dept Biol Sci, Sydney, NSW 2109, Australia.
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- Chen, Yanlong (författare)
- Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Shaanxi Key Lab Early Life & Environm, Xian 710069, Peoples R China.
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- Brock, Glenn A. (författare)
- Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Shaanxi Key Lab Early Life & Environm, Xian 710069, Peoples R China.;Macquarie Univ, Dept Biol Sci, Sydney, NSW 2109, Australia.
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- Zhang, Zhifei (författare)
- Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Shaanxi Key Lab Early Life & Environm, Xian 710069, Peoples R China.
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Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Shaanxi Key Lab Early Life & Environm, Xian 710069, Peoples R China;Macquarie Univ, Dept Biol Sci, Sydney, NSW 2109, Australia.;Uppsala Univ, Inst Earth Sci, Palaeobiol, SE-75236 Uppsala, Sweden. Paleobiologi (creator_code:org_t)
- Elsevier, 2021
- 2021
- Engelska.
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Ingår i: Gondwana Research. - : Elsevier. - 1342-937X .- 1878-0571. ; 89, s. 147-167
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Limestones of the Xihaoping Member of the Dengying Formation in the Xiaoyangba section, South China, yield the oldest known Cambrian brachiopod-trilobite association. In this member, the trilobite Parabadiella cf. huoi co-occurs with the new brachiopod species Eoobolus incipiens sp. nov. The association provides potential for correlation of lower Cambrian successions and gives novel insights into the origin, palaeobiogeographic distribution and early evolution of linguliform brachiopods. Parabadiella occurs in shallow marine clastic and carbonate rocks in South China, demonstrating a broad distribution for this taxon. The new discovery indicates an early Chiungchussuan age (Parabadiella trilobite Zone, Cambrian Age 3) for the longstanding problematic Xihaoping Member. Furthermore, this earliest Parabadiella-Eoobolus association helps to establish close links with the oldest knowntrilobite-brachiopod assemblage from the upper Micrina etheridgei Zone (Parabadiella huoi trilobite Zone) in Australia. Eoobolus incipiens represents one of the earliest known linguliform brachiopods, with a distinctive mixture of characters shared with both problematic tommotiids, as well as paterinide, lingulide and acrotretide brachiopods, indicating that these features may be plesiomorphic for the Linguliformea. An age-constrained dispersal mode for early lingulate brachiopods is proposed, indicating that the Subphylum Linguliformea may have originated in East Gondwana and South China during Cambrian Age 3, and only subsequently dispersed to other major Cambrian palaeocontinents (e.g. Siberia, Laurentia, Antarctica, Baltica, Avalonia, West Gondwana, North China) during the late stage of the Cambrian evolutionary radiation of animals. (C) 2020 The Author(s). Published by Elsevier B.V. on behalf of International Association for Gondwana Research.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Annan geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Other Earth and Related Environmental Sciences (hsv//eng)
Nyckelord
- Cambrian Age 3
- Linguliform brachiopod Eoobolus
- Parabadiella
- Palaeobiogeography
- South China
- East Gondwana
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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