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 …

A Late Triassic dinosauromorph assemblage from New Mexico and the rise of dinosaurs

RB Irmis, SJ Nesbitt, K Padian, ND Smith, AH Turner… - Science, 2007 - science.org
It has generally been thought that the first dinosaurs quickly replaced more archaic Late
Triassic faunas, either by outcompeting them or when the more archaic faunas suddenly …

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 …

[图书][B] Triassic life on land: the great transition

HD Sues, NC Fraser - 2010 - books.google.com
The Triassic period is generally viewed as the beginning of the Age of Dinosaurs. For
paleontologists, however, it also marks the rise of the world's first modern land ecosystems …

Hindlimb osteology and distribution of basal dinosauromorphs from the Late Triassic of North America

SJ Nesbitt, RB Irmis, WG Parker, ND Smith… - Journal of Vertebrate …, 2009 - Taylor & Francis
The recent discovery of early dinosauromorphs from North America demonstrates that they
were contemporaries with dinosaurs and other basal archosaurs during a substantial portion …

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 …

The Late Triassic (Norian) Adamanian–Revueltian tetrapod faunal transition in the Chinle Formation of Petrified Forest National Park, Arizona

WG Parker, JW Martz - … Science Transactions of the Royal Society of …, 2010 - cambridge.org
Recent stratigraphic revisions of the Upper Triassic Chinle Formation of Petrified Forest
National Park, in conjunction with precise and accurate documentation of fossil tetrapod …

Evaluating hypotheses for the early diversification of dinosaurs

RB Irmis - Earth and Environmental Science Transactions of the …, 2010 - cambridge.org
Many hypotheses have been proposed for the rise of dinosaurs, but their early diversification
remains poorly understood. This paper examines the occurrences, species diversity and …

Phytosauria

MR Stocker, RJ Butler - Geological Society, London, Special …, 2013 - lyellcollection.org
Phytosauria is a nearly cosmopolitan clade of large, quadrupedal, carnivorous
archosauriforms. They are known unambiguously from Late Triassic deposits, although the …