Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Randall B. Irmis"'
Autor:
Adriana C. Mancuso, Randall B. Irmis, Tomás E. Pedernera, Leandro C. Gaetano, Cecilia A. Benavente, Benjamin T. Breeden III
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Paleoenvironmental factors such as climate change are often hypothesized as critical for ecosystem changes over evolutionary time scales. Theoretically, these changes should be observable in the fossil record, but the robust linkage of biotic shifts
Externí odkaz:
https://doaj.org/article/7ef9899fb766451c8e17d509b93d038c
Publikováno v:
Royal Society Open Science, Vol 8, Iss 9 (2021)
Cranial morphology is remarkably varied in living amniotes and the diversity of shapes is thought to correspond with feeding ecology, a relationship repeatedly demonstrated at smaller phylogenetic scales, but one that remains untested across amniote
Externí odkaz:
https://doaj.org/article/f539f694aecd4a1a91e7d9f04cc89d6c
Autor:
Christopher T. Griffin, Lauren S. Bano, Alan H. Turner, Nathan D. Smith, Randall B. Irmis, Sterling J. Nesbitt
Publikováno v:
PeerJ, Vol 7, p e6331 (2019)
Understanding growth patterns is central to properly interpreting paleobiological signals in tetrapods, but assessing skeletal maturity in some extinct clades may be difficult when growth patterns are poorly constrained by a lack of ontogenetic serie
Externí odkaz:
https://doaj.org/article/04c63bf67a114df8be13c665c9491d8f
Autor:
Jelle P. Wiersma, Randall B. Irmis
Publikováno v:
PeerJ, Vol 6, p e5016 (2018)
A partial ankylosaurid skeleton from the upper Campanian Kaiparowits Formation of southern Utah is recognized as a new taxon, Akainacephalus johnsoni, gen. et sp. nov. The new taxon documents the first record of an associated ankylosaurid skull and p
Externí odkaz:
https://doaj.org/article/e8af54c1cc0f4662839fab311b8e77d2
Autor:
Nicholas J. Matzke, Randall B. Irmis
Publikováno v:
PeerJ, Vol 6, p e4553 (2018)
Tip-dating, where fossils are included as dated terminal taxa in Bayesian dating inference, is an increasingly popular method. Data for these studies often come from morphological character matrices originally developed for non-dated, and usually par
Externí odkaz:
https://doaj.org/article/a6f005172cfd4076a722fd952b53dba5
Autor:
Emily J. Lessner, Michelle R. Stocker, Nathan D. Smith, Alan H. Turner, Randall B. Irmis, Sterling J. Nesbitt
Publikováno v:
PeerJ, Vol 4, p e2336 (2016)
Rauisuchids are large (2–6 m in length), carnivorous, and quadrupedal pseudosuchian archosaurs closely related to crocodylomorphs. Though geographically widespread, fossils of this clade are relatively rare in Late Triassic assemblages. The middle
Externí odkaz:
https://doaj.org/article/26a98a6412914222ab73ace4ce8c5d3a
Autor:
Adam C. Pritchard, Randall B. Irmis, Jennifer C. Olori, Sterling J. Nesbitt, Nathan D. Smith, Michelle R. Stocker, Alan H. Turner
Publikováno v:
The Anatomical Record.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b621c619181270f73e289cf93de3d7a7
https://doi.org/10.1002/ar.25160
https://doi.org/10.1002/ar.25160
Publikováno v:
The Anatomical Record. 305:2557-2582
Eopneumatosuchus colberti Crompton and Smith, 1980, known from a single partial skull, is an enigmatic crocodylomorph from the Lower Jurassic Kayenta Formation. In spite of its unique morphology, an exceptionally pneumatic braincase, and presence dur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::23789758a949c6bf0859deb276a1b33e
https://doi.org/10.1002/ar.24777
https://doi.org/10.1002/ar.24777
Autor:
Adam D. Marsh, Sarah Werning, Michelle R. Stocker, William G. Parker, Jeffrey W. Martz, Sterling J. Nesbitt, Matthew A. Brown, Randall B. Irmis
Publikováno v:
The Anatomical Record. 305:2353-2414
Once known solely from dental material and thought to represent an early ornithischian dinosaur, the early-diverging pseudosuchian Revueltosaurus callenderi is described from a minimum of 12 skeletons from a monodominant bonebed in the upper part of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::acf33924de7427b1ea01199169eb3cf6
https://doi.org/10.1002/ar.24757
https://doi.org/10.1002/ar.24757
Autor:
Julio Cesar de Almeida Marsola, Ana Maria Ribeiro, Jorge Ferigolo, Gabriel Mestriner, Randall B. Irmis, Max C. Langer, Átila Augusto Stock Da-Rosa, Sterling J. Nesbitt, Aaron R. H. LeBlanc
Publikováno v:
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Made available in DSpace on 2021-06-25T11:02:04Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01 Dinosaurs possess a form of tooth attachment wherein an unmineralized periodontal ligament suspends each tooth within a socket, similar to th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32bd57f48e5066aa0004564f5391c919
https://doi.org/10.1002/ar.24679
https://doi.org/10.1002/ar.24679