Results 181 to 190 of about 8,670 (237)
Marine ostracod faunas through the Late Devonian extinction events. Part I: The Kellwasser event
Elvis Guillam +2 more
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Distinct causes underlie double-peaked trilobite morphological disparity
Drage HB, Pates S.
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Rapid canalisation of mandible structure in Tetrapoda
Watt EC, Felice RN, Goswami A.
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Basin-scale reconstruction of euxinia and Late Devonian mass extinctions
Nature, 2023The Devonian-Carboniferous transition marks a fundamental shift in the surface environment primarily related to changes in ocean-atmosphere oxidation states1,2, resulting from the continued proliferation of vascular land plants that stimulated the hydrological cycle and continental weathering3,4, glacioeustasy5,6, eutrophication and anoxic expansion in
Swapan K. Sahoo +8 more
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Microtektites and Mass Extinctions: Evidence for a Late Devonian Asteroid Impact
Science, 1992Glass spherules, similar to microtektites, have been found near the Frasnian-Famennian boundary (F/F) (Upper Devonian) at Senzeilles, Belgium, contemporaneous with one of the largest marine mass extinctions of the Phanerozoic. These spherules exhibit a wide range of compositions and display teardrop, dumbbell, and compound morphologies analogous to ...
Claeys, Philippe +2 more
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Oxic facies and the Late Devonian mass extinction, Canning Basin, Australia
Geology, 2014The close association of anoxic or dysoxic sedimentary rocks and the major Late Devonian (Frasnian–Famennian) mass extinction has focused considerable attention on anoxia as the major cause or as a major factor in a multicausal scenario. The record of the Late Devonian biotic crisis in the well-known reef complexes of northwestern Australia (Canning ...
George, A. +2 more
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Onshore expansion of benthic communities after the Late Devonian mass extinction
Lethaia, 2013Buatois, L.A., Angulo, S. & Mangano, G.M. 2013: Onshore expansion of benthic communities after the Late Devonian mass extinction. Lethaia, Vol. 46, pp. 251–261. A detailed ichnological analysis of the Upper Devonian–Lower Mississippian Bakken Formation of sub-surface Saskatchewan and the partially coeval Exshaw Formation of Alberta indicates the ...
Luis A. Buatois +2 more
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Lethaia, 1989
The Middle and Upper Devonian carbonate succession of the Montagne Noire, Southern France has been precisely zoned by an unbroken sequence of conodont zones. Stratigraphic control is excellent, and has allowed evolutionary changes in tropidocoryphine trilobites, which occur throughout the succession, to be directly established. The tropidocoryphine had
Raimund Feist, Euan N. K. Clarkson
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The Middle and Upper Devonian carbonate succession of the Montagne Noire, Southern France has been precisely zoned by an unbroken sequence of conodont zones. Stratigraphic control is excellent, and has allowed evolutionary changes in tropidocoryphine trilobites, which occur throughout the succession, to be directly established. The tropidocoryphine had
Raimund Feist, Euan N. K. Clarkson
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Late Silurian—early Devonian biogeography, provincialism, evolution and extinction
Philosophical Transactions of the Royal Society of London. B, Biological Sciences, 1985There is increasing marine to continental regression from the latest Silurian until the latter half of the early Devonian, when a major transgressive trend is initiated which achieves its maximum in the later middle Devonian and late Devonian. Data suggest a relatively high climatic gradient, but no evidence favouring continental, sea-level glaciation ...
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