Results 91 to 100 of about 266 (116)

A diminutive new tyrannosaur from the top of the world. [PDF]

PLoS One, 2014
Fiorillo AR, Tykoski RS.
europepmc   +1 more source

A new ankylosaurine dinosaur from the Judith River Formation of Montana, USA, based on an exceptional skeleton with soft tissue preservation. [PDF]

R Soc Open Sci, 2017
Arbour VM, Evans DC.
europepmc   +1 more source

A Spanish saltasauroid titanosaur reveals Europe as a melting pot of endemic and immigrant sauropods in the Late Cretaceous. [PDF]

Commun Biol
Mocho P, Escaso F, Marcos-Fernández F, Páramo A, Sanz JL, Vidal D, Ortega F.   +6 more
europepmc   +1 more source

Pelvic and hindlimb osteology and ontogeny of a troodontid from the upper member of the Two Medicine Formation (Cretaceous) of Montana. [PDF]

PLoS One
Varricchio DJ, Caldwell HR.
europepmc   +1 more source

Evolution of Hadrosaurs in the Campanian of Laramidia: New Information from the Skull Roof and Braincase

, 2022
This project seeks to investigate the morphology, ontogeny, and evolution of skull roof and braincase characters in hadrosaurids from the Campanian of northern Laramidia (Alberta and Montana), a setting in which they have been historically recognized as ...
McFeeters, Bradley
exaly   +3 more sources

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A new chasmosaurine from northern Laramidia expands frill disparity in ceratopsid dinosaurs

Die Naturwissenschaften, 2014
A new taxon of chasmosaurine ceratopsid demonstrates unexpected disparity in parietosquamosal frill shape among ceratopsid dinosaurs early in their evolutionary radiation. The new taxon is described based on two apomorphic squamosals collected from approximately time equivalent (approximately 77 million years old) sections of the upper Judith River ...
David C. Evans, Mark A. Loewen
exaly   +3 more sources

Refined geochronology and revised stratigraphic nomenclature of the Upper Cretaceous Wahweap Formation, Utah, U.S.A. and the age of early Campanian vertebrates from southern Laramidia

Palaeogeography, Palaeoclimatology, Palaeoecology, 2022
The Western Interior of North America preserves one of the most complete successions of Upper Cretaceous marine and non-marine strata in the world; among these, the Cenomanian-Campanian units of the Kaiparowits Plateau in southern Utah are a critical archive of terrestrial environments and biotas.
Joseph J. W. Sertich, Jahandar Ramezani, Valerie Yuleridge   +2 more
exaly   +3 more sources

NEW CROCODYLOMORPH MATERIAL REFERABLE TO BRACHYCHAMPSA CF. SEALEYI AND AND CF. DENAZINOSUCHUS FROM THE MENEFEE FORMATION OF NEW MEXICO AND CROCODYLOMORPH ECOLOGY IN MIDDLE CAMPANIAN SOUTHERN LARAMIDIA

Geological Society of America Abstracts with Programs, 2021
Mohler, Benjamin, McDonald, Andrew T.
exaly   +2 more sources

CLIMATE GRADIENTS AND FILTER CORRIDORS: FREQUENT ASIA-LARAMIDIA BIOTIC INTERCHANGE AND THE COMPLEXITY OF LARAMIDIA’S DINOSAUR “PROVINCIALITY”

Geological Society of America Abstracts with Programs
exaly   +2 more sources

THE UPPER CRETACEOUS WILLIAMS FORK FORMATION (LATE CRETACEOUS: CAMPANIAN–MAASTRICHTIAN), NORTHWESTERN COLORADO, AND ITS PALEOECOLOGICAL IMPLICATIONS FOR LARAMIDIA

Geological Society of America Abstracts with Programs
Jaelyn J Eberle
exaly   +2 more sources