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An ancestral hard-s...
An ancestral hard-shelled sea turtle with a mosaic of soft skin and scutes
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- De La Garza, Randolph Glenn (author)
- Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science
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- Madsen, H. (author)
- Mo-clay Museum, Denmark
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- Sjövall, Peter (author)
- RISE,Metodik för produktframtagning,Research Institutes of Sweden (RISE)
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- Osbӕck, F. (author)
- Fur Museum, Denmark
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- Zheng, W. (author)
- North Carolina State University, USA
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- Jarenmark, Martin (author)
- Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science
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- Schweitzer, Mary H. (author)
- Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science,North Carolina Museum of Natural Sciences,North Carolina State University
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- Engdahl, Anders (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Medicinsk mikrospektroskopi,Forskargrupper vid Lunds universitet,Other operations, LTH,Faculty of Engineering, LTH,Medical Microspectroscopy,Lund University Research Groups
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- Uvdal, Per (author)
- Lund University,Lunds universitet,Kemisk fysik,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,LTH profilområde: Avancerade ljuskällor,LTH profilområden,Chemical Physics,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: Photon Science and Technology,LTH Profile areas,Faculty of Engineering, LTH
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- Eriksson, Mats E. (author)
- Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science
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- Lindgren, Johan (author)
- Lund University,Lunds universitet,Berggrundsgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Lithosphere and Biosphere Science,Department of Geology,Faculty of Science
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(creator_code:org_t)
- 2022-12-31
- 2022
- English.
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In: Scientific Reports. - : Nature Research. - 2045-2322. ; 12:1
- Related links:
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https://doi.org/10.1...
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http://dx.doi.org/10... (free)
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https://urn.kb.se/re...
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https://lup.lub.lu.s...
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Abstract
Subject headings
Close
- The transition from terrestrial to marine environments by secondarily aquatic tetrapods necessitates a suite of adaptive changes associated with life in the sea, e.g., the scaleless skin in adult individuals of the extant leatherback turtle. A partial, yet exceptionally preserved hard-shelled (Pan-Cheloniidae) sea turtle with extensive soft-tissue remains, including epidermal scutes and a virtually complete flipper outline, was recently recovered from the Eocene Fur Formation of Denmark. Examination of the fossilized limb tissue revealed an originally soft, wrinkly skin devoid of scales, together with organic residues that contain remnant eumelanin pigment and inferred epidermal transformation products. Notably, this stem cheloniid—unlike its scaly living descendants—combined scaleless limbs with a bony carapace covered in scutes. Our findings show that the adaptive transition to neritic waters by the ancestral pan-chelonioids was more complex than hitherto appreciated, and included at least one evolutionary lineage with a mosaic of integumental features not seen in any living turtle. © 2022, The Author(s).
Subject headings
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
Keyword
- animal
- epidermis
- evolution
- reptile
- skin
- turtle
- Animals
- Biological Evolution
- Reptiles
- Turtles
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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De La Garza, Ran ...
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Madsen, H.
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Sjövall, Peter
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Osbӕck, F.
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Zheng, W.
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Jarenmark, Marti ...
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show more...
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Schweitzer, Mary ...
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Engdahl, Anders
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Uvdal, Per
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Eriksson, Mats E ...
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Lindgren, Johan
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- About the subject
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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 ...
- Articles in the publication
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Scientific Repor ...
- By the university
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RISE
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Lund University