Data from: Ventilatory mechanics from maniraptoran theropods to extant birds
Shared behavioural, morphological and physiological characteristics are indicative of the evolution of extant birds from non-avian maniraptoran dinosaurs. One such shared character is the presence of uncinate processes; respiratory structures in extant birds. Recent research has suggested a respirat...
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Data Archiving and Networked Services (DANS)
2020
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Online Access: | https://doi.org/10.5061/dryad.cp4tc417 |
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fttriple:oai:gotriple.eu:50|dedup_wf_001::52ea898f0352d4b32661f8a8fe9a0d89 2023-05-15T13:12:18+02:00 Data from: Ventilatory mechanics from maniraptoran theropods to extant birds Tickle, Peter G. Norell, Mark A. Codd, Jonathan R. 2020-07-20 https://doi.org/10.5061/dryad.cp4tc417 undefined unknown Data Archiving and Networked Services (DANS) http://dx.doi.org/10.5061/dryad.cp4tc417 https://dx.doi.org/10.5061/dryad.cp4tc417 lic_creative-commons oai:easy.dans.knaw.nl:easy-dataset:81900 10.5061/dryad.cp4tc417 oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:81900 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 re3data_____::r3d100000044 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 10|opendoar____::8b6dd7db9af49e67306feb59a8bdc52c Life sciences medicine and health care Life History Evolution Confuciusornis sanctus Evolutionary physiology Birds geo envir Dataset https://vocabularies.coar-repositories.org/resource_types/c_ddb1/ 2020 fttriple https://doi.org/10.5061/dryad.cp4tc417 2023-01-22T16:52:00Z Shared behavioural, morphological and physiological characteristics are indicative of the evolution of extant birds from non-avian maniraptoran dinosaurs. One such shared character is the presence of uncinate processes; respiratory structures in extant birds. Recent research has suggested a respiratory role for these processes found in oviraptorid and dromaeosaurid dinosaurs. By measuring the geometry of fossil rib cage morphology we demonstrate that the mechanical advantage, conferred by uncinate processes, for movements of the ribs in the oviraptorid theropod dinosaur, Citipati osmolskae, basal avialan species Zhongjianornis yangi, Confuciusornis sanctus, and the more derived ornithurine Yixianornis grabaui, is of the same magnitude as found in extant birds. These skeletal characteristics provide further evidence of a flow-through respiratory system in non-avian theropod dinosaurs and basal avialans, and indicate that uncinate processes are a key adaptation facilitating the ventilation of a lung air sac system that diverged earlier than extant birds. Mm. appendicocostales projection angleAngle at which the Mm. appendicocostales projects from the uncinate processes in four extant bird species (Alca torda, Branta leucopsis, Falco tinnunculus and Alectoris rufa). Mm. appendicocostales projection angle.xlsxSMF Av 418Photograph of C. sanctus SMF Av 418 used to calculate mechanical advantage of the uncinate processes for movements of the ribs.mechadv AV418.tifSMF Av 421Photograph of C. sanctus SMF Av 421 used to calculate mechanical advantage of the uncinate processes for movements of the ribs.mechadv AV421.tifSMF Av 419Photograph of C. sanctus SMF Av 419 used to calculate mechanical advantage of the uncinate processes for movements of the ribs.mechadv AV419.tifSMF Av 422Photograph of C. sanctus SMF Av 422 used to calculate mechanical advantage of the uncinate processes for movements of the ribs.mechadv2 AV422.tif Dataset Alca torda Branta leucopsis Unknown The Ribs ENVELOPE(-55.781,-55.781,52.750,52.750) |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
unknown |
topic |
Life sciences medicine and health care Life History Evolution Confuciusornis sanctus Evolutionary physiology Birds geo envir |
spellingShingle |
Life sciences medicine and health care Life History Evolution Confuciusornis sanctus Evolutionary physiology Birds geo envir Tickle, Peter G. Norell, Mark A. Codd, Jonathan R. Data from: Ventilatory mechanics from maniraptoran theropods to extant birds |
topic_facet |
Life sciences medicine and health care Life History Evolution Confuciusornis sanctus Evolutionary physiology Birds geo envir |
description |
Shared behavioural, morphological and physiological characteristics are indicative of the evolution of extant birds from non-avian maniraptoran dinosaurs. One such shared character is the presence of uncinate processes; respiratory structures in extant birds. Recent research has suggested a respiratory role for these processes found in oviraptorid and dromaeosaurid dinosaurs. By measuring the geometry of fossil rib cage morphology we demonstrate that the mechanical advantage, conferred by uncinate processes, for movements of the ribs in the oviraptorid theropod dinosaur, Citipati osmolskae, basal avialan species Zhongjianornis yangi, Confuciusornis sanctus, and the more derived ornithurine Yixianornis grabaui, is of the same magnitude as found in extant birds. These skeletal characteristics provide further evidence of a flow-through respiratory system in non-avian theropod dinosaurs and basal avialans, and indicate that uncinate processes are a key adaptation facilitating the ventilation of a lung air sac system that diverged earlier than extant birds. Mm. appendicocostales projection angleAngle at which the Mm. appendicocostales projects from the uncinate processes in four extant bird species (Alca torda, Branta leucopsis, Falco tinnunculus and Alectoris rufa). Mm. appendicocostales projection angle.xlsxSMF Av 418Photograph of C. sanctus SMF Av 418 used to calculate mechanical advantage of the uncinate processes for movements of the ribs.mechadv AV418.tifSMF Av 421Photograph of C. sanctus SMF Av 421 used to calculate mechanical advantage of the uncinate processes for movements of the ribs.mechadv AV421.tifSMF Av 419Photograph of C. sanctus SMF Av 419 used to calculate mechanical advantage of the uncinate processes for movements of the ribs.mechadv AV419.tifSMF Av 422Photograph of C. sanctus SMF Av 422 used to calculate mechanical advantage of the uncinate processes for movements of the ribs.mechadv2 AV422.tif |
format |
Dataset |
author |
Tickle, Peter G. Norell, Mark A. Codd, Jonathan R. |
author_facet |
Tickle, Peter G. Norell, Mark A. Codd, Jonathan R. |
author_sort |
Tickle, Peter G. |
title |
Data from: Ventilatory mechanics from maniraptoran theropods to extant birds |
title_short |
Data from: Ventilatory mechanics from maniraptoran theropods to extant birds |
title_full |
Data from: Ventilatory mechanics from maniraptoran theropods to extant birds |
title_fullStr |
Data from: Ventilatory mechanics from maniraptoran theropods to extant birds |
title_full_unstemmed |
Data from: Ventilatory mechanics from maniraptoran theropods to extant birds |
title_sort |
data from: ventilatory mechanics from maniraptoran theropods to extant birds |
publisher |
Data Archiving and Networked Services (DANS) |
publishDate |
2020 |
url |
https://doi.org/10.5061/dryad.cp4tc417 |
long_lat |
ENVELOPE(-55.781,-55.781,52.750,52.750) |
geographic |
The Ribs |
geographic_facet |
The Ribs |
genre |
Alca torda Branta leucopsis |
genre_facet |
Alca torda Branta leucopsis |
op_source |
oai:easy.dans.knaw.nl:easy-dataset:81900 10.5061/dryad.cp4tc417 oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:81900 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 re3data_____::r3d100000044 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 10|opendoar____::8b6dd7db9af49e67306feb59a8bdc52c |
op_relation |
http://dx.doi.org/10.5061/dryad.cp4tc417 https://dx.doi.org/10.5061/dryad.cp4tc417 |
op_rights |
lic_creative-commons |
op_doi |
https://doi.org/10.5061/dryad.cp4tc417 |
_version_ |
1766251294435049472 |