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dc.contributor.authorNewham, E
dc.contributor.authorGill, Pamela
dc.contributor.authorBrewer, Philippa
dc.contributor.authorBenton, MJ
dc.contributor.authorFernandez, Vincent
dc.contributor.authorGostling, NJ
dc.contributor.authorHaberthür, D
dc.contributor.authorJernvall, J
dc.contributor.authorKankaanpää, T
dc.contributor.authorKallonen, A
dc.contributor.authorNavarro, C
dc.contributor.authorPacureanu, A
dc.contributor.authorRichards, K
dc.contributor.authorBrown, KR
dc.contributor.authorSchneider, P
dc.contributor.authorSuhonen, H
dc.contributor.authorTafforeau, P
dc.contributor.authorWilliams, KA
dc.contributor.authorZeller-Plumhoff, B
dc.contributor.authorCorfe, IJ
dc.date.accessioned2020-10-15T13:24:45Z
dc.date.available2020-10-15T13:24:45Z
dc.date.issued2020-10-12
dc.date.submitted2020-10-13
dc.identifier.citationNewham, E., Gill, P.G., Brewer, P. et al. Reptile-like physiology in Early Jurassic stem-mammals. Nat Commun 11, 5121 (2020). https://doi.org/10.1038/s41467-020-18898-4en_US
dc.identifier.doi10.1038/s41467-020-18898-4
dc.identifier.urihttp://hdl.handle.net/10141/622859
dc.description.abstractDespite considerable advances in knowledge of the anatomy, ecology and evolution of early mammals, far less is known about their physiology. Evidence is contradictory concerning the timing and fossil groups in which mammalian endothermy arose. To determine the state of metabolic evolution in two of the earliest stem-mammals, the Early Jurassic Morganucodon and Kuehneotherium, we use separate proxies for basal and maximum metabolic rate. Here we report, using synchrotron X-ray tomographic imaging of incremental tooth cementum, that they had maximum lifespans considerably longer than comparably sized living mammals, but similar to those of reptiles, and so they likely had reptilian-level basal metabolic rates. Measurements of femoral nutrient foramina show Morganucodon had blood flow rates intermediate between living mammals and reptiles, suggesting maximum metabolic rates increased evolutionarily before basal metabolic rates. Stem mammals lacked the elevated endothermic metabolism of living mammals, highlighting the mosaic nature of mammalian physiological evolution.en_US
dc.language.isoenen_US
dc.publisherSpringer Science and Business Media LLCen_US
dc.relation.urihttps://rdcu.be/b8orBen_US
dc.rightsopenAccessen_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleReptile-like physiology in Early Jurassic stem-mammalsen_US
dc.typeJournal Articleen_US
dc.identifier.eissn2041-1723
dc.identifier.journalNature Communicationsen_US
dc.identifier.volume11en_US
dc.identifier.issue1en_US
pubs.organisational-group/Natural History Museum
pubs.organisational-group/Natural History Museum/Science Group
pubs.organisational-group/Natural History Museum/Science Group/Earth Sciences
pubs.organisational-group/Natural History Museum/Science Group/Functional groups
pubs.organisational-group/Natural History Museum/Science Group/Functional groups/Other Support
dc.embargoNot knownen_US
elements.import.authorNewham, Een_US
elements.import.authorGill, PGen_US
elements.import.authorBrewer, Pen_US
elements.import.authorBenton, MJen_US
elements.import.authorFernandez, Ven_US
elements.import.authorGostling, NJen_US
elements.import.authorHaberthür, Den_US
elements.import.authorJernvall, Jen_US
elements.import.authorKankaanpää, Ten_US
elements.import.authorKallonen, Aen_US
elements.import.authorNavarro, Cen_US
elements.import.authorPacureanu, Aen_US
elements.import.authorRichards, Ken_US
elements.import.authorBrown, KRen_US
elements.import.authorSchneider, Pen_US
elements.import.authorSuhonen, Hen_US
elements.import.authorTafforeau, Pen_US
elements.import.authorWilliams, KAen_US
elements.import.authorZeller-Plumhoff, Ben_US
elements.import.authorCorfe, IJen_US
dc.description.nhmOpen Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.en_US
dc.subject.nhmAnimal physiologyen_US
dc.subject.nhmpalaeontologyen_US
refterms.dateFOA2020-10-15T13:24:45Z


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