Results 41 to 50 of about 87,011 (264)
Late Triassic (Rhaetian) conodonts and ichthyoliths from Chile [PDF]
, 2000 The Late Triassic of the back arc Domeyko Basin, Chile is characterized by the onset of marine sedimentation that persisted throughout the rest of the Mesozoic.
Sansom, Ivan J.
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Climate simulation of the latest Permian: Implications for mass extinction [PDF]
, 2005 This report presents the results of climate modeling research which indicates that elevated levels of carbon dioxide in the atmosphere at the end of the Permian period led to climatic conditions inhospitable to both marine and terrestrial life.
Benton +22 more
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The Early Evolution of Rhynchosaurs [PDF]
, 2016 The rhynchosaurian archosauromorphs are an important and diverse group of fossil tetrapods that first appeared during the Early Triassic and probably became extinct during the early Late Triassic (early Norian).
Butler, Richard J. +2 more
core +3 more sources
DiversityFor the first time, the same fish species is recorded from Triassic rocks at both ends of the Tethys, namely, Thoracopterus wushaensis Tintori et al., 2012.
Andrea Tintori
doaj +1 more source
Taxonomic revision of Asialepidotus shingyiensis Su, 1959 (Halecomorphi, Holostei) from the Middle Triassic (Ladinian) of Guizhou and Yunnan, China [PDF]
Research & Knowledge, 2017 The holostean fish Asialepidotus shingyiensis, from the Middle Triassic (Ladinian) of Guizhou and Yunnan, China, was previously regarded as either a semionotiform ginglymodian or an amiiform halecomorph.
Guang-Hui Xu, Xin-Ying Ma
doaj +1 more source
Accretionary Tectonics of the North American Cordillera [PDF]
, 1983 Continental geology stands on the threshold of a change that is likely to be as fundamental as plate-tectonic theory was for marine geology. Ongoing seismic-reflection investigations into the deep crustal structure of North America are verifying that ...
Saleeby, Jason B.
core +2 more sources
Decoupling of morphological disparity and taxic diversity during the adaptive radiation of anomodont therapsids [PDF]
, 2013 Adaptive radiations are central to macroevolutionary theory. Whether triggered by acquisition of new traits or ecological opportunities arising from mass extinctions, it is debated whether adaptive radiations are marked by initial expansion of taxic ...
Anderson MJ +7 more
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Climatic and eustatic controls on the development of a Late Triassic source rock in the Jameson Land Basin, East Greenland [PDF]
, 2014 This work was undertaken as part of the continuing work of CASP in East Greenland. The sponsoring companies are thanked for their continued support of this work. Help in the field by T. Kinnaird and useful discussions with A.
Andrews, Steven D. +3 more
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The Anatomical Record, EarlyView.Abstract Dinosaurs evolved a unique respiratory system with air sacs that contributed to their evolutionary success. Postcranial skeletal pneumaticity (PSP) has been used to infer the presence of air sac systems in some fossil archosaurs. While unambiguous evidence of PSP is well documented in pterosaurs and post‐Carnian saurischians, it remains absent
Tito Aureliano +3 more
wiley +1 more source
Shiyou shiyan dizhiTight sandstone reservoirs exhibit strong microscopic heterogeneity and significant variations in oil saturation. To investigate the variations in pore and throat size distribution during the diagenesis of tight sandstone reservoirs as well as their ...
Hongli ZHONG +3 more
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