The origins of mammal growth patterns during the Jurassic mammalian radiation

dc.contributor.affiliationNatural History Museum - Gill, Pamela
dc.contributor.affiliationEuropean Synchrotron Radiation Facility - Fernandez, Vincent
dc.contributor.affiliationGeological Survey of Finland - Corfe, Ian
dc.contributor.affiliationUniversity of Bonn - Martin, Thomas
dc.contributor.affiliationNew York Institute of Technology - Hoffmann, Simone
dc.contributor.affiliationUniversity of Bonn - Newham, Elis
dc.contributor.affiliationUniversity of Helsinki - Suhonen, Heikki
dc.contributor.affiliationUniversity of Bonn - Schultz, Julia
dc.contributor.affiliationSwiss Light Source - Lovric, Goran
dc.contributor.affiliationUniversity of Bristol - Kague, Erika
dc.contributor.affiliationSwiss Light Source - Marone, Federica
dc.contributor.affiliationUniversity of Hull - Bright, Jen
dc.contributor.affiliationUniversity of Southampton - Gostling, Neil J
dc.contributor.affiliationNatural History Museum - Brewer, Philippa
dc.contributor.affiliationUniversity of Bonn - Jäger, Kai
dc.contributor.affiliationOxford University Museum of Natural History - Panciroli, Elsa
dc.contributor.affiliationUniversity of Southampton - Schneider, Philipp
dc.contributor.affiliationUniversity of Southampton - Witchell, Alex
dc.contributor.authorGill, Pamela
dc.contributor.authorFernandez, Vincent
dc.contributor.authorCorfe, Ian
dc.contributor.authorMartin, Thomas
dc.contributor.authorHoffmann, Simone
dc.contributor.authorNewham, Elis
dc.contributor.authorSuhonen, Heikki
dc.contributor.authorSchultz, Julia
dc.contributor.authorLovric, Goran
dc.contributor.authorKague, Erika
dc.contributor.authorMarone, Federica
dc.contributor.authorBright, Jen
dc.contributor.authorGostling, Neil J
dc.contributor.authorBrewer, Philippa
dc.contributor.authorJäger, Kai
dc.contributor.authorPanciroli, Elsa
dc.contributor.authorSchneider, Philipp
dc.contributor.authorWitchell, Alex
dc.date.accessioned2025-03-24T15:23:17Z
dc.date.issued2024-06-28
dc.date.issued2024-06-28
dc.descriptionWe use synchrotron X-ray tomography of annual growth increments in the dental cementum of mammaliaforms (stem and crown fossil mammals) from three faunas across the Jurassic to map the origin of patterns of determinate growth, which is intrinsically related to mammalian endothermy. Although all fossils studied exhibited slower growth rates, longer lifespans, and delayed sexual maturity relative to comparably sized extant mammals, the earliest crown mammals developed significantly faster growth rates in early life that reduced at sexual maturity (determinate growth), compared to stem mammaliaforms. Estimation of basal metabolic rates (BMRs) suggests some fossil crown mammals had BMRs approaching the lowest rates of extant mammals. We suggest mammalian determinate growth first evolved during their mid-Jurassic adaptive radiation, although growth remained slower than in extant mammals.
dc.identifierhttps://doi.org/10.5061/dryad.b2rbnzsp2
dc.identifier.urihttps://hydatakatalogi-test-24.it.helsinki.fi/handle/123456789/11077
dc.rightsOpen
dc.rights.licensecc-zero
dc.subjectPalaeontology
dc.subjectMammal Evolution
dc.subjectcementum
dc.subjectSynchrotron radiation
dc.subjectlife history
dc.subjectPhysiology
dc.titleThe origins of mammal growth patterns during the Jurassic mammalian radiation
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