Cycles of~ 32.5 My and~ 26.2 My in correlated episodes of continental flood basalts (CFBs), hyper-thermal climate pulses, anoxic oceans, and mass extinctions over …

MR Rampino, K Caldeira, S Rodriguez - Earth-Science Reviews, 2023 - Elsevier
Potential temporal and causal connections among various geologic events have long been
discussed in the geological literature. More recently, signs of common periodicities in these …

Osteology and relationships of Revueltosaurus callenderi (Archosauria: Suchia) from the Upper Triassic (Norian) Chinle Formation of Petrified Forest National Park …

WG Parker, SJ Nesbitt, RB Irmis, JW Martz… - The Anatomical …, 2022 - Wiley Online Library
Once known solely from dental material and thought to represent an early ornithischian
dinosaur, the early‐diverging pseudosuchian Revueltosaurus callenderi is described from a …

[HTML][HTML] The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms

MD Ezcurra - PeerJ, 2016 - peerj.com
The early evolution of archosauromorphs during the Permo-Triassic constitutes an excellent
empirical case study to shed light on evolutionary radiations in deep time and the timing and …

U-Pb age constraints on dinosaur rise from south Brazil

MC Langer, J Ramezani, ÁAS Da Rosa - Gondwana Research, 2018 - Elsevier
Abstract Triassic dinosaurs from South Brazil are considered as some of the oldest known
worldwide, but their precise correlation to other early dinosaur occurrences have proven …

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 …, 2011 - Elsevier
Though the Late Triassic preserves major paleoenvironmental fluctuations and is key for
understanding the evolution of Mesozoic and modern terrestrial ecosystems, comparisons of …

U-Pb zircon geochronology and depositional age models for the Upper Triassic Chinle Formation (Petrified Forest National Park, Arizona, USA): Implications for Late …

C Rasmussen, R Mundil, RB Irmis, D Geisler… - GSA …, 2021 - pubs.geoscienceworld.org
Abstract The Upper Triassic Chinle Formation is a critical non-marine archive of low-
paleolatitude biotic and environmental change in southwestern North America. The well …

Implications of the Newark Supergroup-based astrochronology and geomagnetic polarity time scale (Newark-APTS) for the tempo and mode of the early diversification …

PE Olsen, DV Kent, JH Whiteside - … of the Royal Society of Edinburgh, 2010 - cambridge.org
The Newark-APTS established a high-resolution framework for the Late Triassic and Early
Jurassic. Palaeomagnetic polarity correlations to marine sections show that stage-level …

Aetosauria: a clade of armoured pseudosuchians from the Upper Triassic continental beds

JB Desojo, AB Heckert, JW Martz… - Geological Society …, 2013 - lyellcollection.org
Aetosauria is a clade of obligately quadrupedal, heavily armoured pseudosuchians known
from Upper Triassic (late Carnian–Rhaetian) strata on every modern continent except …

Age constraints on the dispersal of dinosaurs in the Late Triassic from magnetochronology of the Los Colorados Formation (Argentina)

DV Kent, P Santi Malnis, CE Colombi… - Proceedings of the …, 2014 - National Acad Sciences
A measured magnetozone sequence defined by 24 sampling sites with normal polarity and
28 sites with reverse polarity characteristic magnetizations was established for the …

Early crocodylomorpha

RB Irmis, SJ Nesbitt, HD Sues - Geological Society, London …, 2013 - lyellcollection.org
Non-crocodyliform crocodylomorphs, often called 'sphenosuchians', were the earliest-
diverging lineages of Crocodylomorpha, and document the stepwise acquisition of many of …