Randall Irmis
Randall Irmis
Dept of Geology & Geophysics and Natural History Museum of Utah, University of Utah
Verified email at umnh.utah.edu
TitleCited byYear
Best practices for justifying fossil calibrations
JF Parham, PCJ Donoghue, CJ Bell, TD Calway, JJ Head, PA Holroyd, ...
Systematic Biology 61 (2), 346-359, 2012
4192012
A Late Triassic dinosauromorph assemblage from New Mexico and the rise of dinosaurs
RB Irmis, SJ Nesbitt, K Padian, ND Smith, AH Turner, D Woody, A Downs
Science 317 (5836), 358-361, 2007
2202007
Ecologically distinct dinosaurian sister group shows early diversification of Ornithodira
SJ Nesbitt, CA Sidor, RB Irmis, KD Angielczyk, RMH Smith, LA Tsuji
Nature 464 (7285), 95-98, 2010
2102010
The origin and early radiation of dinosaurs
SL Brusatte, SJ Nesbitt, RB Irmis, RJ Butler, MJ Benton, MA Norell
Earth-Science Reviews 101 (1-2), 68-100, 2010
2072010
Axial skeleton ontogeny in the Parasuchia (Archosauria: Pseudosuchia) and its implications for ontogenetic determination in archosaurs
RB Irmis
Journal of vertebrate Paleontology 27 (2), 350-361, 2007
1942007
A complete skeleton of a Late Triassic saurischian and the early evolution of dinosaurs
SJ Nesbitt, ND Smith, RB Irmis, AH Turner, A Downs, MA Norell
science 326 (5959), 1530-1533, 2009
1882009
A critical re‐evaluation of the Late Triassic dinosaur taxa of North America
SJ Nesbitt, RB Irmis, WG Parker
Journal of Systematic Palaeontology 5 (2), 209-243, 2007
1462007
Early ornithischian dinosaurs: the Triassic record
RB Irmis, WG Parker, SJ Nesbitt, J Liu
Historical Biology 19 (1), 3-22, 2007
1442007
The Late Triassic pseudosuchian Revueltosaurus callenderi and its implications for the diversity of early ornithischian dinosaurs
WG Parker, RB Irmis, SJ Nesbitt, JW Martz, LS Browne
Proceedings of the Royal Society B: Biological Sciences 272 (1566), 963-969, 2005
1222005
High-resolution U–Pb ages from the Upper Triassic Chinle Formation (New Mexico, USA) support a diachronous rise of dinosaurs
RB Irmis, R Mundil, JW Martz, WG Parker
Earth and Planetary Science Letters 309 (3-4), 258-267, 2011
1162011
Hindlimb osteology and distribution of basal dinosauromorphs from the Late Triassic of North America
SJ Nesbitt, RB Irmis, WG Parker, ND Smith, AH Turner, T Rowe
Journal of Vertebrate Paleontology 29 (2), 498-516, 2009
1042009
Non-dinosaurian Dinosauromorpha
MC Langer, SJ Nesbitt, JS Bittencourt, RB Irmis
Geological Society of London Special Publication 379, 157-186, 2013
98*2013
Tyrant dinosaur evolution tracks the rise and fall of Late Cretaceous oceans
MA Loewen, RB Irmis, JJW Sertich, PJ Currie, SD Sampson
PloS one 8 (11), e79420, 2013
952013
Evaluating hypotheses for the early diversification of dinosaurs
RB Irmis
Earth and Environmental Science Transactions of the Royal Society of …, 2010
862010
The precise temporal calibration of dinosaur origins
CA Marsicano, RB Irmis, AC Mancuso, R Mundil, F Chemale
Proceedings of the National Academy of Sciences 113 (3), 509-513, 2016
842016
Delayed recovery of non-marine tetrapods after the end-Permian mass extinction tracks global carbon cycle
RB Irmis, JH Whiteside
Proceedings of the Royal Society B: Biological Sciences 279 (1732), 1310-1318, 2012
772012
The vertebrate fauna of the Upper Triassic Chinle Formation in northern Arizona
RB Irmis
Mesa Southwest Museum Bulletin 9, 63-88, 2005
632005
Re-evaluating the correlation between Late Triassic terrestrial vertebrate biostratigraphy and the GSSP-defined marine stages
RB Irmis, JW Martz, WG Parker, SJ Nesbitt
Albertiana 38, 40-52, 2010
582010
Advances in Late Triassic vertebrate paleontology based on new material from Petrified Forest National Park, Arizona
WG Parker, RB Irmis
New Mexico Museum of Natural History and Science Bulletin 29, 45-58, 2005
552005
Origin of a widespread marine bonebed deposited during the middle Miocene Climatic Optimum
ND Pyenson, RB Irmis, JH Lipps, LG Barnes, ED Mitchell Jr, SA McLeod
Geology 37 (6), 519-522, 2009
532009
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