Africa's oldest dinosaurs reveal early suppression of dinosaur distribution

CT Griffin, BM Wynd, D Munyikwa, TJ Broderick… - Nature, 2022 - nature.com
The vertebrate lineages that would shape Mesozoic and Cenozoic terrestrial ecosystems
originated across Triassic Pangaea,,,,,,,,,–. By the Late Triassic (Carnian stage,~ 235 million …

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 …

Evidence for the Carnian Pluvial Episode in Gondwana: New multiproxy climate records and their bearing on early dinosaur diversification

AC Mancuso, CA Benavente, RB Irmis, R Mundil - Gondwana Research, 2020 - Elsevier
The Triassic hothouse world experienced dynamic changes in climate and ecosystems that
set the Earth's climate and biotic states for much of the Mesozoic Era. A critical time interval …

Triassic stem caecilian supports dissorophoid origin of living amphibians

BT Kligman, BM Gee, AD Marsh, SJ Nesbitt, ME Smith… - Nature, 2023 - nature.com
Living amphibians (Lissamphibia) include frogs and salamanders (Batrachia) and the
limbless worm-like caecilians (Gymnophiona). The estimated Palaeozoic era gymnophionan …

Climatic drivers of latitudinal variation in Late Triassic tetrapod diversity

EM Dunne, A Farnsworth, SE Greene, DJ Lunt… - …, 2021 - Wiley Online Library
The latitudinal biodiversity gradient (LBG), the increase in biodiversity from the poles to the
equator, is one of the most widely recognized global macroecological patterns, yet its deep …

A Triassic stem-salamander from Kyrgyzstan and the origin of salamanders

RR Schoch, R Werneburg… - Proceedings of the …, 2020 - National Acad Sciences
The origin of extant amphibians remains largely obscure, with only a few early Mesozoic
stem taxa known, as opposed to a much better fossil record from the mid-Jurassic on. In …

Frog limbs in deep time: is jumping locomotion at the roots of the anuran Bauplan?

CM Pérez-Ben, AI Lires, RO Gómez - Paleobiology, 2024 - cambridge.org
The unique body plan of frogs (Lissamphibia: Anura) has been largely conserved from at
least 200 Myr, and its evolution from a more generalized tetrapod condition is still poorly …

Paleoenvironmental and biotic changes in the Late Triassic of Argentina: testing hypotheses of abiotic forcing at the basin scale

AC Mancuso, RB Irmis, TE Pedernera… - Frontiers in Earth …, 2022 - frontiersin.org
Paleoenvironmental factors such as climate change are often hypothesized as critical for
ecosystem changes over evolutionary time scales. Theoretically, these changes should be …

Using manual ungual morphology to predict substrate use in the Drepanosauromorpha and the description of a new species

XA Jenkins, AC Pritchard, AD Marsh… - Journal of Vertebrate …, 2020 - Taylor & Francis
Fossils of drepanosauromorphs, a clade of non-saurian diapsids, were once considered
relatively rare in the Chinle Formation of the southwestern United States as well as in Upper …

New trilophosaurid species demonstrates a decline in allokotosaur diversity across the Adamanian-Revueltian boundary in the Late Triassic of western North America

BT Kligman, AD Marsh, SJ Nesbitt, WG Parker… - Palaeodiversity, 2020 - BioOne
Abstract Allokotosauria, including Trilophosauridae and Azendohsauridae, is an extinct
archosauromorph group that reached a near-Pangean distribution in the Middle Triassic to …