Results 21 to 30 of about 43,734 (291)
Frontiers in Ecology and Evolution, 2023 The largest source of empirical data on the history of life largely derives from the marine invertebrates. Their rich fossil record is an important testing ground for macroecological and macroevolutionary theory, but much of this historical biodiversity ...
Stewart M. Edie +3 more
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Известия высших учебных заведений: Геология и разведка, 2016 The 175th anniversary of Vladimir Onuphrievich Kovalevsky, an outstanding Russian scientist, considered as a founder of evolutionary paleontology, is celebrated in 2017 year. Before the classical works of V.O. Kovalevsky, paleontology dealt predominantly
V. N. Komarov
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Teaching writing skills in online paleontology and evolution courses
Frontiers in Education, 2022 Though foundational knowledge and technical skills are frequently and rightfully emphasized in biology curricula, transferrable skills, including writing, are under-prioritized to the detriment of biology graduates and to the scientific field.
Eric W. Dewar +2 more
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Impacts of invasive rats on Hawaiian cave resources
International Journal of Speleology, 2020 Although there are no published studies and limited data documenting damage by rodents in Hawaiian caves, our incidental observations during more than 40 years of surveying caves indicate that introduced rodents, especially the roof rat, Rattus rattus ...
Francis G. Howarth, Fred D. Stone
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Defossilization: A Review of 3D Printing in Experimental Paleontology
Frontiers in Ecology and Evolution, 2019 3D printing has made it possible to recreate, actuate, and modify replicas of ancient life in transformative ways— revolutionizing studies of ancient life.
Erynn H. Johnson, A. Carter
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Molecular Taphonomy of Heme: Chemical Degradation of Hemin under Presumed Fossilization Conditions
Molecules, 2023 The metalloporphyrin heme acts as the oxygen-complexing prosthetic group of hemoglobin in blood. Heme has been noted to survive for many millions of years in fossils. Here, we investigate its stability and degradation under various conditions expected to
Mariam Tahoun +4 more
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Oldest skeleton of a plesiadapiform provides additional evidence for an exclusively arboreal radiation of stem primates in the Palaeocene [PDF]
Royal Society Open Science, 2017 Palaechthonid plesiadapiforms from the Palaeocene of western North America have long been recognized as among the oldest and most primitive euarchontan mammals, a group that includes extant primates, colugos and treeshrews.
Stephen G. B. Chester +4 more
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PeerJ, 2018 Calyptosuchus wellesi is a medium-sized desmatosuchian aetosaur common in Adamanian (early to middle Norian) age rocks from the Chinle Formation and Dockum Group of the Western United States. Known chiefly from osteoderms, this taxon has never been fully
W. Parker
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Applications of chemical imaging techniques in paleontology
National Science Review, 2018 Chemical imaging techniques, based on a combination of microscopy and spectroscopy, are designed to analyse the composition and spatial distribution of heterogeneous chemical complexes within a sample.
Yan-Hong Pan, Liangjun Hu, Tao Zhao
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Ciência & Educação, 2005 A Paleontologia é recomendada pelos PCN como tema de ciências para o ensino básico brasileiro, sendo freqüente em muitos livros didáticos no País.
Fernanda Torello de Mello +2 more
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