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Randall B. Irmis - Publications

Geology & Geophysics University of Utah, Salt Lake City, UT 
Vertebrate Paleontology, Paleobiology, Paleoecology, Geochronology

42 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Ezcurra MD, Nesbitt SJ, Bronzati M, Dalla Vecchia FM, Agnolin FL, Benson RBJ, Brissón Egli F, Cabreira SF, Evers SW, Gentil AR, Irmis RB, Martinelli AG, Novas FE, Roberto da Silva L, Smith ND, et al. Enigmatic dinosaur precursors bridge the gap to the origin of Pterosauria. Nature. PMID 33299179 DOI: 10.1038/s41586-020-3011-4  1
2019 Schachner ER, Irmis RB, Huttenlocker AK, Sanders K, Cieri RL, Nesbitt SJ. Osteology of the Late Triassic Bipedal Archosaur Poposaurus gracilis (Archosauria: Pseudosuchia) from Western North America. Anatomical Record (Hoboken, N.J. : 2007). PMID 31814308 DOI: 10.1002/Ar.24298  1
2019 Griffin CT, Bano LS, Turner AH, Smith ND, Irmis RB, Nesbitt SJ. Integrating gross morphology and bone histology to assess skeletal maturity in early dinosauromorphs: new insights from (Archosauria: Dinosauromorpha). Peerj. 7: e6331. PMID 30775169 DOI: 10.7717/Peerj.6331  1
2016 Pritchard AC, Turner AH, Irmis RB, Nesbitt SJ, Smith ND. Extreme Modification of the Tetrapod Forelimb in a Triassic Diapsid Reptile. Current Biology : Cb. PMID 27693141 DOI: 10.1016/J.Cub.2016.07.084  1
2016 Lessner EJ, Stocker MR, Smith ND, Turner AH, Irmis RB, Nesbitt SJ. A new rauisuchid (Archosauria, Pseudosuchia) from the Upper Triassic (Norian) of New Mexico increases the diversity and temporal range of the clade. Peerj. 4: e2336. PMID 27651983 DOI: 10.7717/Peerj.2336  1
2016 Lindström S, Irmis RB, Whiteside JH, Smith ND, Nesbitt SJ, Turner AH. Palynology of the upper Chinle Formation in northern New Mexico, U.S.A.: Implications for biostratigraphy and terrestrial ecosystem change during the Late Triassic (Norian-Rhaetian) Review of Palaeobotany and Palynology. 225: 106-131. DOI: 10.1016/J.Revpalbo.2015.11.006  1
2015 Marsicano CA, Irmis RB, Mancuso AC, Mundil R, Chemale F. The precise temporal calibration of dinosaur origins. Proceedings of the National Academy of Sciences of the United States of America. PMID 26644579 DOI: 10.1073/Pnas.1512541112  1
2015 Whiteside JH, Lindström S, Irmis RB, Glasspool IJ, Schaller MF, Dunlavey M, Nesbitt SJ, Smith ND, Turner AH. Extreme ecosystem instability suppressed tropical dinosaur dominance for 30 million years. Proceedings of the National Academy of Sciences of the United States of America. PMID 26080428 DOI: 10.1073/Pnas.1505252112  1
2015 Ksepka DT, Parham JF, Allman JF, Benton MJ, Carrano MT, Cranston KA, Donoghue PC, Head JJ, Hermsen EJ, Irmis RB, Joyce WG, Kohli M, Lamm KD, Leehr D, Patané JL, et al. The Fossil Calibration Database-A New Resource for Divergence Dating. Systematic Biology. PMID 25922515 DOI: 10.1093/Sysbio/Syv025  1
2015 Pritchard AC, Turner AH, Nesbitt SJ, Irmis RB, Smith ND. Late Triassic tanystropheids (Reptilia, Archosauromorpha) from northern New Mexico (Petrified Forest Member, Chinle Formation) and the biogeography, functional morphology, and evolution of Tanystropheidae Journal of Vertebrate Paleontology. 35. DOI: 10.1080/02724634.2014.911186  1
2014 Barrett PM, Butler RJ, Mundil R, Scheyer TM, Irmis RB, Sánchez-Villagra MR. A palaeoequatorial ornithischian and new constraints on early dinosaur diversification. Proceedings. Biological Sciences / the Royal Society. 281: 20141147. PMID 25100698 DOI: 10.1098/Rspb.2014.1147  1
2013 Loewen MA, Irmis RB, Sertich JJ, Currie PJ, Sampson SD. Tyrant dinosaur evolution tracks the rise and fall of Late Cretaceous oceans. Plos One. 8: e79420. PMID 24223179 DOI: 10.1371/Journal.Pone.0079420  1
2013 Langer MC, Nesbitt SJ, Bittencourt JS, Irmis RB. Non-dinosaurian Dinosauromorpha Geological Society Special Publication. 379: 157-186. DOI: 10.1144/Sp379.9  1
2013 Irmis RB, Nesbitt SJ, Sues HD. Early crocodylomorpha Geological Society Special Publication. 379: 275-302. DOI: 10.1144/SP379.24  1
2013 Nesbitt SJ, Desojo JB, Irmis RB. Anatomy, Phylogeny and Palaeobiology of Early Archosaurs and their Kin Geological Society Engineering Geology Special Publication. 379. DOI: 10.1144/SP379.0  1
2013 Irmis RB, Whiteside JH, Kammerer CF. Non-biotic controls of observed diversity in the paleontologic record: An example from the Permo-Triassic Karoo Basin of South Africa Palaeogeography, Palaeoclimatology, Palaeoecology. 372: 62-77. DOI: 10.1016/J.Palaeo.2012.07.014  1
2013 Thomson TJ, Irmis RB, Loewen MA. First occurrence of a tyrannosaurid dinosaur from the Mesaverde Group (Neslen Formation) of Utah: Implications for upper Campanian Laramidian biogeography Cretaceous Research. 43: 70-79. DOI: 10.1016/J.Cretres.2013.02.006  1
2013 Irmis RB, Hutchison JH, Sertich JJW, Titus AL. Crocodyliforms from the late cretaceous of grand staircase–escalante national monument and vicinity, Southern Utah, U.S.A At the Top of the Grand Staircase: the Late Cretaceous of Southern Utah. 424-444.  1
2012 Parham JF, Donoghue PC, Bell CJ, Calway TD, Head JJ, Holroyd PA, Inoue JG, Irmis RB, Joyce WG, Ksepka DT, Patané JS, Smith ND, Tarver JE, van Tuinen M, Yang Z, et al. Best practices for justifying fossil calibrations. Systematic Biology. 61: 346-59. PMID 22105867 DOI: 10.1093/Sysbio/Syr107  1
2012 Irmis RB, Whiteside JH. Delayed recovery of non-marine tetrapods after the end-permian mass extinction tracks global carbon cycle Proceedings of the Royal Society B: Biological Sciences. 279: 1310-1318. PMID 22031757 DOI: 10.1098/Rspb.2011.1895  1
2011 Irmis RB, Mundil R, Martz JW, Parker WG. High-resolution U-Pb ages from the Upper Triassic Chinle Formation (New Mexico, USA) support a diachronous rise of dinosaurs Earth and Planetary Science Letters. 309: 258-267. DOI: 10.1016/J.Epsl.2011.07.015  1
2010 Pyenson ND, Irmis RB, Lipps JH. Comment on "Climate, critters, and cetaceans: Cenozoic drivers of the evolution of modern whales". Science (New York, N.Y.). 330: 178; author reply 17. PMID 20929760 DOI: 10.1126/Science.1189866  1
2010 Nesbitt SJ, Sidor CA, Irmis RB, Angielczyk KD, Smith RM, Tsuji LA. Ecologically distinct dinosaurian sister group shows early diversification of Ornithodira. Nature. 464: 95-8. PMID 20203608 DOI: 10.1038/Nature08718  1
2010 Irmis RB, Whiteside JH. Newly integrated approaches to studying late triassic terrestrial ecosystems Palaios. 25: 689-691. DOI: 10.2110/Palo.2010.S06  1
2010 Butler RJ, Irmis RB, Langer MC. Preface to 'Late triassic terrestrial biotas and the rise of dinosaurs' special issue Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 101: v-ix. DOI: 10.1017/S1755691011020135  1
2010 Irmis RB. Evaluating hypotheses for the early diversification of dinosaurs Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 101: 397-426. DOI: 10.1017/S1755691011020068  1
2010 Brusatte SL, Nesbitt SJ, Irmis RB, Butler RJ, Benton MJ, Norell MA. The origin and early radiation of dinosaurs Earth-Science Reviews. 101: 68-100. DOI: 10.1016/J.Earscirev.2010.04.001  1
2009 Nesbitt SJ, Smith ND, Irmis RB, Turner AH, Downs A, Norell MA. A complete skeleton of a Late Triassic saurischian and the early evolution of dinosaurs. Science (New York, N.Y.). 326: 1530-3. PMID 20007898 DOI: 10.1126/Science.1180350  1
2009 Nesbitt SJ, Irmis RB, Parker WG, Smith ND, Turner AH, Rowe T. Hindlimb osteology and distribution of basal dinosauromorphs from the late Triassic of North America Journal of Vertebrate Paleontology. 29: 498-516. DOI: 10.1671/039.029.0218  1
2009 Pyenson ND, Irmis RB, Lipps JH, Barnes LG, Mitchell ED, McLeod SA. Origin of a widespread marine bonebed deposited during the middle Miocene Climatic Optimum Geology. 37: 519-522. DOI: 10.1130/G25509A.1  1
2008 Parham JF, Irmis RB. Caveats on the use of fossil calibrations for molecular dating: a comment on Near et al. The American Naturalist. 171: 132-6; author reply . PMID 18171158 DOI: 10.1086/524198  1
2008 Parker WG, Stocker MR, Irmis RB. A new desmatosuchine aetosaur (Archosauria: Suchia) from the upper triassic tecovas formation (Dockum Group) of Texas Journal of Vertebrate Paleontology. 28: 692-701. DOI: 10.1671/0272-4634(2008)28[692:Andaas]2.0.Co;2  1
2008 Irmis RB, Knoll F. New ornithischian dinosaur material from the Lower Jurassic Lufeng Formation of China Neues Jahrbuch Fur Geologie Und Palaontologie - Abhandlungen. 247: 117-128. DOI: 10.1127/0077-7749/2008/0247-0117  1
2007 Irmis RB, Nesbitt SJ, Padian K, Smith ND, Turner AH, Woody D, Downs A. A Late Triassic dinosauromorph assemblage from New Mexico and the rise of dinosaurs. Science (New York, N.Y.). 317: 358-61. PMID 17641198 DOI: 10.1126/Science.1143325  1
2007 Irmis RB. Axial skeleton ontogeny in the parasuchia (Archosauria: Pseudosuchia) and its implications for ontogenetic determination in Archosaurs Journal of Vertebrate Paleontology. 27: 350-361. DOI: 10.1671/0272-4634(2007)27[350:Asoitp]2.0.Co;2  1
2007 Irmis RB, Parker WG, Nesbitt SJ, Liu J. Early ornithischian dinosaurs: The triassic record Historical Biology. 19: 3-22. DOI: 10.1080/08912960600719988  1
2007 Nesbitt SJ, Irmis RB, Parker WG. A critical re-evaluation of the late triassic dinosaur taxa of North America Journal of Systematic Palaeontology. 5: 209-243. DOI: 10.1017/S1477201907002040  1
2006 Irmis RB, Elliott DK. Taphonomy of a Middle Pennsylvanian marine vertebrate assemblage and an actualistic model for marine abrasion of teeth Palaios. 21: 466-479. DOI: 10.2110/Palo.2005.P05-105R  1
2005 Parker WG, Irmis RB, Nesbitt SJ, Martz JW, Browne LS. The Late Triassic pseudosuchian Revueltosaurus callenderi and its implications for the diversity of early ornithischian dinosaurs. Proceedings. Biological Sciences / the Royal Society. 272: 963-9. PMID 16024353 DOI: 10.1098/Rspb.2004.3047  1
2005 Irmis RB, Parker WG. Unusual tetrapod teeth from the Upper Triassic Chinle Formation, Arizona, USA Canadian Journal of Earth Sciences. 42: 1339-1345. DOI: 10.1139/E05-031  1
2005 Fraser NC, Irmis RB, Elliott DK. A procolophonid (Parareptilia) from the Owl Rock Member, Chinle Formation of Utah, USA Palaeontologia Electronica. 8.  1
2004 Elliott DK, Irmis RB, Hansen MC, Olson TJ. Chondrichthyans from the Pennsylvanian (Desmoinesian) Naco Formation of central Arizona Journal of Vertebrate Paleontology. 24: 268-280.  1
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