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Organically-preserv...
Organically-preserved multicellular eukaryote from the early Ediacaran Nyborg Formation, Arctic Norway
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- Agić, Heda, 1989- (author)
- Uppsala universitet,Paleobiologi,Univ Calif Santa Barbara, Dept Earth Sci, Santa Barbara, CA 93106 USA
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- Högström, Anette E. S. (author)
- UiT Arctic Univ Norway, Arctic Univ Museum Norway, N-9037 Tromso, Norway
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- Moczydlowska, Malgorzata, 1951- (author)
- Uppsala universitet,Paleobiologi
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- Jensen, Sören (author)
- Univ Extremadura, Area Paleontol, E-06006 Badajoz, Spain
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- Palacios, Teodoro (author)
- Univ Extremadura, Area Paleontol, E-06006 Badajoz, Spain
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- Meinhold, Guido (author)
- Keele Univ, Sch Geog Geol & Environm, Keele ST5 5BG, Staffs, England;Univ Gottingen, Dept Sedimentol & Environm Geol, Goldschmidtstr 3, D-37077 Gottingen, Germany
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- Ebbestad, Jan Ove R., 1967- (author)
- Uppsala universitet,Evolutionsmuseet
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- Taylor, Wendy L. (author)
- Univ Cape Town, Dept Geol Sci, ZA-7701 Rondebosch, South Africa
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- Höyberget, Magne (author)
- Rennesveien 14, N-4513 Mandal, Norway
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(creator_code:org_t)
- 2019-10-10
- 2019
- English.
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In: Scientific Reports. - : NATURE PUBLISHING GROUP. - 2045-2322. ; 9
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Abstract
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- Eukaryotic multicellularity originated in the Mesoproterozoic Era and evolved multiple times since, yet early multicellular fossils are scarce until the terminal Neoproterozoic and often restricted to cases of exceptional preservation. Here we describe unusual organically-preserved fossils from mudrocks, that provide support for the presence of organisms with differentiated cells (potentially an epithelial layer) in the late Neoproterozoic. Cyathinema digermulense gen. et sp. nov. from the Nyborg Formation, Vestertana Group, Digermulen Peninsula in Arctic Norway, is a new carbonaceous organ-taxon which consists of stacked tubes with cup-shaped ends. It represents parts of a larger organism (multicellular eukaryote or a colony), likely with greater preservation potential than its other elements. Arrangement of open-ended tubes invites comparison with cells of an epithelial layer present in a variety of eukaryotic clades. This tissue may have benefitted the organism in: avoiding overgrowth, limiting fouling, reproduction, or water filtration. C. digermulense shares characteristics with extant and fossil groups including red algae and their fossils, demosponge larvae and putative sponge fossils, colonial protists, and nematophytes. Regardless of its precise affinity, C. digermulense was a complex and likely benthic marine eukaryote exhibiting cellular differentiation, and a rare occurrence of early multicellularity outside of Konservat-Lagerstatten.
Subject headings
- 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)
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
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- ref (subject category)
- art (subject category)
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Agić, Heda, 1989 ...
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Högström, Anette ...
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Moczydlowska, Ma ...
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Jensen, Sören
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Palacios, Teodor ...
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Meinhold, Guido
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Ebbestad, Jan Ov ...
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Taylor, Wendy L.
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Höyberget, Magne
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Other Earth and ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Evolutionary Bio ...
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Scientific Repor ...
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Uppsala University