Zobrazeno 1 - 10 of 109 pro vyhledávání: '"Thomas E Williamson"'
1
Akademický článek
The osteology of Triisodon crassicuspis (Cope, 1882): New insights into the enigmatic 'archaic' placental mammal group 'Triisodontidae'.
Autor: William J Toosey, Thomas E Williamson, Sarah L Shelley, Stephen L Brusatte
Publikováno v: PLoS ONE, Vol 19, Iss 11, p e0311187 (2024)
Following the end-Cretaceous mass extinction, mammals underwent an increase in body size, taxonomic diversity and ecological specialization throughout the Paleocene, exemplifying their adaptability. One especially enigmatic group is the "Triisodontid
Externí odkaz: https://doaj.org/article/474931de44014075b21d9466a6651150
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2
Akademický článek
The osteology of Periptychus carinidens: A robust, ungulate-like placental mammal (Mammalia: Periptychidae) from the Paleocene of North America.
Autor: Sarah L Shelley, Thomas E Williamson, Stephen L Brusatte
Publikováno v: PLoS ONE, Vol 13, Iss 7, p e0200132 (2018)
Periptychus is the archetypal genus of Periptychidae, a clade of prolific Paleocene 'condylarth' mammals from North America that were among the first placental mammals to radiate after the end-Cretaceous extinction, remarkable for their distinctive d
Externí odkaz: https://doaj.org/article/53ecc595131f4c0486749c00167b5eb7
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3
Akademický článek
Small theropod teeth from the Late Cretaceous of the San Juan Basin, northwestern New Mexico and their implications for understanding latest Cretaceous dinosaur evolution.
Autor: Thomas E Williamson, Stephen L Brusatte
Publikováno v: PLoS ONE, Vol 9, Iss 4, p e93190 (2014)
Studying the evolution and biogeographic distribution of dinosaurs during the latest Cretaceous is critical for better understanding the end-Cretaceous extinction event that killed off all non-avian dinosaurs. Western North America contains among the
Externí odkaz: https://doaj.org/article/92a9c4c3e8cb41e9b1c459e74b1a8259
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4
Akademický článek
New specimens of the rare taeniodont Wortmania (Mammalia: Eutheria) from the San Juan Basin of New Mexico and comments on the phylogeny and functional morphology of 'archaic' mammals.
Autor: Thomas E Williamson, Stephen L Brusatte
Publikováno v: PLoS ONE, Vol 8, Iss 9, p e75886 (2013)
BackgroundTaeniodonta is a clade of Late Cretaceous-Paleogene mammals remarkable for their relatively extreme cranial, dental, and postcranial adaptations and notable for being among the first mammals to achieve relatively large size following the Cr
Externí odkaz: https://doaj.org/article/39e5bd6cc54e40b486ce47d730ea010a
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6
Shifts in food webs and niche stability shaped survivorship and extinction at the end-Cretaceous
Autor: Jorge García-Girón, Alfio Alessandro Chiarenza, Janne Alahuhta, David G. DeMar, Jani Heino, Philip D. Mannion, Thomas E. Williamson, Gregory P. Wilson Mantilla, Stephen L. Brusatte
Publikováno v: García-Girón, J, Alessandro Chiarenza, A, Alahuhta, J, DeMar Jr, D G, Heino, J, Mannion, P D, Williamson, T E, Wilson Mantilla, G P & Brusatte, S 2022, ' Shifts in food webs and niche stability shaped survivorship and extinction at the end-Cretaceous ', Science Advances, vol. 8, no. 49 . https://doi.org/10.1126/sciadv.add5040
It has long been debated why groups such as non-avian dinosaurs became extinct whereas mammals and other lineages survived the Cretaceous/Paleogene mass extinction 66 million years ago. We used Markov networks, ecological niche partitioning, and Eart
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d021fdd92f903bcbcb540c0e57a2534b
https://pubmed.ncbi.nlm.nih.gov/36475805
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7
Petrosal Anatomy of the Paleocene Eutherian Mammal Deltatherium fundaminis (Cope, 1881)
Autor: Thomas E. Williamson, Sarah L. Shelley, Stephen L. Brusatte, Ornella C. Bertrand
Publikováno v: Journal of Mammalian Evolution
Shelley, S, Bertrand, O, Brusatte, S & Williamson, T E 2021, ' Petrosal anatomy of the Paleocene eutherian mammal Deltatherium fundaminis (Cope, 1881) ', Journal of Mammalian Evolution . https://doi.org/10.1007/s10914-021-09568-3
We describe the tympanic anatomy of the petrosal of Deltatherium fundaminis, an enigmatic Paleocene mammal based on cranial specimens recovered from New Mexico, U.S.A. Although the ear region of Deltatherium has previously been described, there has n
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1010205c0c1b353bd74cfa4948c3a72c
https://doi.org/10.1007/s10914-021-09568-3
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8
The origin of placental mammal life histories
Autor: Gregory F. Funston, Paige E. dePolo, Jakub T. Sliwinski, Matthew Dumont, Sarah L. Shelley, Laetitia E. Pichevin, Nicola J. Cayzer, John R. Wible, Thomas E. Williamson, James W. B. Rae, Stephen L. Brusatte
Publikováno v: Funston, G, Depolo, P, Sliwinski, J T, Dumont, M, Shelley, S, Pichevin, L, Cayzer, N, Wible, J R, Williamson, T E, Rae, J W B & Brusatte, S 2022, ' The origin of placental mammal life histories ', Nature . https://doi.org/10.1038/s41586-022-05150-w
Funding was provided by the University of Edinburgh, the Royal Society (grant NIF\R1\191527), National Science Foundation (grants DEB 1654949 and EAR 1654952), European Research Council (ERC) starting grants (nos. 756226 and 805246) under the Europea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdf7deb46fa25db3705f7f20f80026db
https://hdl.handle.net/20.500.11820/73ae6ff0-ba9a-4172-b907-5c115bf8cff1
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9
Brawn before brains in placental mammals after the end-Cretaceous extinction
Autor: Ornella C. Bertrand, Sarah L. Shelley, Thomas E. Williamson, John R. Wible, Stephen G. B. Chester, John J. Flynn, Luke T. Holbrook, Tyler R. Lyson, Jin Meng, Ian M. Miller, Hans P. Püschel, Thierry Smith, Michelle Spaulding, Z. Jack Tseng, Stephen L. Brusatte
Publikováno v: Bertrand, O, Shelley, S, Williamson, T E, Wible, J R, Chester, S G B, Flynn, J J, Holbrook, L T, Lyson, T R, Meng, J, Miller, I M, Puschel Rouliez, H, Smith, T, Spaulding, M, Tseng, Z J & Brusatte, S 2022, ' Brawn before brains in placental mammals after the end-Cretaceous extinction ', Science, vol. 376, no. 6588, pp. 80-85 . https://doi.org/10.1126/science.abl5584
Science
Mammals are the most encephalized vertebrates, with the largest brains relative to body size. Placental mammals have particularly enlarged brains, with expanded neocortices for sensory integration, the origins of which are unclear. We used computed t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69b76100debf419261eef6608452f1f7
https://pubmed.ncbi.nlm.nih.gov/35357943
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10
The cranial anatomy of the long-snouted tyrannosaurid dinosaur Qianzhousaurus sinensis from the Upper Cretaceous of China
Autor: William Foster, Stephen L. Brusatte, Thomas D. Carr, Thomas E. Williamson, Laiping Yi, Junchang Lü
Publikováno v: Foster, W, Brusatte, S, Carr, T D, Williamson, T E, Yi, L & LÜ, J 2022, ' The cranial anatomy of the long-snouted tyrannosaurid dinosaur Qianzhousaurus sinensis from the Late Cretaceous of China ', Journal of Vertebrate Paleontology, vol. 41, no. 4, e1999251 . https://doi.org/10.1080/02724634.2021.1999251
Tyrannosaurid theropods topped the terrestrial food chain in North America and Asia during the latest Cretaceous. Most tyrannosaurids, exemplified by Tyrannosaurus rex, had deep snouts, thick teeth, and large jaw muscles that could generate high bite
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::920545b86bfc15edb127ef22ae31f449
https://doi.org/10.1080/02724634.2021.1999251
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