2 Works

Data from: A palaeoequatorial Ornithischian and new constraints on early dinosaur diversification

Paul M. Barrett, Richard J. Butler, Roland Mundil, Torsten M. Scheyer, Randall B. Irmis, Marcelo R. Sánchez-Villagra & M. R. Sanchez-Villagra
Current characterizations of early dinosaur evolution are incomplete: existing palaeobiological and phylogenetic scenarios are based on a fossil record dominated by saurischians and the implications of the early ornithischian record are often overlooked. Moreover, the timings of deep phylogenetic divergences within Dinosauria are poorly constrained owing to the absence of a rigorous chronostratigraphical framework for key Late Triassic–Early Jurassic localities. A new dinosaur from the earliest Jurassic of the Venezuelan Andes is the first basal...

CPCP-1: Thermal demagnetization data

Ziaul Haque, John Geissman, Randall Irmis, Paul Olsen, Christophere Lepre, Hesham Buhedma, Ronald Mundil, William Parker, Cornelia Rasmussen & George Gehrels
The Colorado Plateau Coring Project Phase 1 (CPCP-1) acquired three continuous drill cores from Petrified Forest National Park (PFNP), Arizona, U.S.A. Two cores, CPCP-PFNP13-1A and CPCP-PFNP13-2B, hereafter CPCP-1A and CPCP-2B; respectively, intersected the Upper Triassic Chinle Formation, Lower(?)-Middle Triassic Moenkopi Formation (MF) and Permian Coconino Sandstone. We examined CPCP-1A and CPCP-2B cores to construct a high-resolution magnetostratigraphy of Moenkopi Formation strata. These data files contain progressive thermal demagnetization data collected from the specimens from cores...

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