Publications by authors named "Randall B Irmis"

Claim this Profile

Mentions over time

Mentions by platform

Video Views

171,780

Total Likes

8,008

Extended Reach

513,617

Social Features

252
N
New monstersaur specimens from the Kaiparowits Formation of Utah reveal unexpected richness of large-bodied lizards in Late Cretaceous North America.
C Henrik Woolley, Joseph J W Sertich, Keegan M Melstrom, Randall B Irmis, Nathan D Smith

R Soc Open Sci· June 2025

Videos about Article: user user

2 3 2 97 5 51

View All Article and Social Media Activity
E
Enigmatic dinosaur precursors bridge the gap to the origin of Pterosauria.
Martín D Ezcurra, Sterling J Nesbitt, Mario Bronzati, Fabio Marco Dalla Vecchia, Federico L Agnolin, Roger B J Benson, Federico Brissón Egli, Sergio F Cabreira, Serjoscha W Evers, Adriel R Gentil

Nature· December 2020

Videos about Article: user user user

2 10 40 21 118

View All Article and Social Media Activity
T
Tyrant dinosaur evolution tracks the rise and fall of Late Cretaceous oceans.
Mark A Loewen, Randall B Irmis, Joseph J W Sertich, Philip J Currie, Scott D Sampson

August 2014

Videos about Article: user user

2 99 20 6 17 148

View All Article and Social Media Activity
T
The femora of Drepanosauromorpha (Reptilia: Diapsida): Implications for the functional evolution of the thigh of Sauropsida.
Adam C Pritchard, Randall B Irmis, Jennifer C Olori, Sterling J Nesbitt, Nathan D Smith

Anat Rec (Hoboken)· August 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
G
Grouping behavior in a Triassic marine apex predator.
Neil P Kelley, Randall B Irmis, Paige E dePolo, Paula J Noble, Danielle Montague-Judd

Curr Biol· December 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
O
Osteology and relationships of Revueltosaurus callenderi (Archosauria: Suchia) from the Upper Triassic (Norian) Chinle Formation of Petrified Forest National Park, Arizona, United States.
William G Parker, Sterling J Nesbitt, Randall B Irmis, Jeffrey W Martz, Adam D Marsh

Anat Rec (Hoboken)· October 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
R
Reevaluation of the cranial osteology and phylogenetic position of the early crocodyliform Eopneumatosuchus colberti, with an emphasis on its endocranial anatomy.
Keegan M Melstrom, Alan H Turner, Randall B Irmis

Anat Rec (Hoboken)· October 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
H
Histological analysis of ankylothecodonty in Silesauridae (Archosauria: Dinosauriformes) and its implications for the evolution of dinosaur tooth attachment.
Gabriel Mestriner, Aaron LeBlanc, Sterling J Nesbitt, Júlio C A Marsola, Randall B Irmis

Anat Rec (Hoboken)· February 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
T
The limits of convergence: the roles of phylogeny and dietary ecology in shaping non-avian amniote crania.
Keegan M Melstrom, Kenneth D Angielczyk, Kathleen A Ritterbush, Randall B Irmis

R Soc Open Sci· September 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
O
Osteology of the Late Triassic Bipedal Archosaur Poposaurus gracilis (Archosauria: Pseudosuchia) from Western North America.
Emma R Schachner, Randall B Irmis, Adam K Huttenlocker, Kent Sanders, Robert L Cieri

Anat Rec (Hoboken)· April 2020

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
R
Repeated Evolution of Herbivorous Crocodyliforms during the Age of Dinosaurs.
Keegan M Melstrom, Randall B Irmis

Curr Biol· July 2019

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Integrating gross morphology and bone histology to assess skeletal maturity in early dinosauromorphs: new insights from (Archosauria: Dinosauromorpha).
Christopher T Griffin, Lauren S Bano, Alan H Turner, Nathan D Smith, Randall B Irmis

PeerJ· February 2019

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A new southern Laramidian ankylosaurid, gen. et sp. nov., from the upper Campanian Kaiparowits Formation of southern Utah, USA.
Jelle P Wiersma, Randall B Irmis

PeerJ· July 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Empirical evidence for stability of the 405-kiloyear Jupiter-Venus eccentricity cycle over hundreds of millions of years.
Dennis V Kent, Paul E Olsen, Cornelia Rasmussen, Christopher Lepre, Roland Mundil, Randall B Irmis

Proc Natl Acad Sci U S A· June 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Including autapomorphies is important for paleontological tip-dating with clocklike data, but not with non-clock data.
Nicholas J Matzke, Randall B Irmis

PeerJ· April 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Extreme Modification of the Tetrapod Forelimb in a Triassic Diapsid Reptile.
Adam C Pritchard, Alan H Turner, Randall B Irmis, Sterling J Nesbitt, Nathan D Smith

Curr Biol· October 2016

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A new rauisuchid (Archosauria, Pseudosuchia) from the Upper Triassic (Norian) of New Mexico increases the diversity and temporal range of the clade.
Emily J Lessner, Michelle R Stocker, Nathan D Smith, Alan H Turner, Randall B Irmis

PeerJ· September 2016

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
T
The precise temporal calibration of dinosaur origins.
Claudia A Marsicano, Randall B Irmis, Adriana C Mancuso, Roland Mundil, Farid Chemale

Proc Natl Acad Sci U S A· January 2016

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
T
The Fossil Calibration Database-A New Resource for Divergence Dating.
Daniel T Ksepka, James F Parham, James F Allman, Michael J Benton, Matthew T Carrano, Randall B Irmis

Syst Biol· September 2015

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Extreme ecosystem instability suppressed tropical dinosaur dominance for 30 million years.
Jessica H Whiteside, Sofie Lindström, Randall B Irmis, Ian J Glasspool, Morgan F Schaller

Proc Natl Acad Sci U S A· June 2015

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A palaeoequatorial ornithischian and new constraints on early dinosaur diversification.
Paul M Barrett, Richard J Butler, Roland Mundil, Torsten M Scheyer, Randall B Irmis

Proc Biol Sci· September 2014

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
D
Delayed recovery of non-marine tetrapods after the end-Permian mass extinction tracks global carbon cycle.
Randall B Irmis, Jessica H Whiteside

Proc Biol Sci· April 2012

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
B
Best practices for justifying fossil calibrations.
James F Parham, Philip C J Donoghue, Christopher J Bell, Tyler D Calway, Jason J Head, Randall B Irmis

Syst Biol· March 2012

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Comment on "Climate, critters, and cetaceans: Cenozoic drivers of the evolution of modern whales".
Nicholas D Pyenson, Randall B Irmis, Jere H Lipps

Science· October 2010

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Ecologically distinct dinosaurian sister group shows early diversification of Ornithodira.
Sterling J Nesbitt, Christian A Sidor, Randall B Irmis, Kenneth D Angielczyk, Roger M H Smith

Nature· March 2010

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis