Search Results - "HARPER, DAVID A.T."

End Ordovician extinctions: A coincidence of causes by Harper, David A.T., Hammarlund, Emma U., Rasmussen, Christian M.Ø.

“…The end Ordovician (Hirnantian) extinction was the first of the five big Phanerozoic extinction events, and the first that involved metazoan-based communities…”
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Bivalve mollusks in metal pollution studies: From bioaccumulation to biomonitoring by Zuykov, Michael, Pelletier, Emilien, Harper, David A.T.

“…•Bivalve mollusks are good applicable in metal monitoring studies.•No drastic effects of accumulated metals on the health of bivalves were documented.•Shells…”
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Ordovician and Silurian sea–water chemistry, sea level, and climate: A synopsis by Munnecke, Axel, Calner, Mikael, Harper, David A.T., Servais, Thomas

“…Following the Cambrian Explosion and the appearance in the fossil record of most animal phyla associated with a range of new body plans, the Ordovician and…”
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A suspension-feeding anomalocarid from the Early Cambrian by Vinther, Jakob, Stein, Martin, Longrich, Nicholas R., Harper, David A. T.

“…Tamisiocaris borealis , an Early Cambrian member of the anomalocarids—giant, predatory marine stem arthropods—probably used its frontal appendage to trap…”
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A new Silurian ophiuroid from the west of Ireland by Blake, Daniel B, Donovan, Stephen K, Harper, David A.T

“…Silurian echinoderms from Ireland are poorly known; hitherto, only three nominal species have been described, all crinoids and all from the Telychian (Upper…”
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Late Ordovician deep-water brachiopod fauna from Raheen, Waterford Harbour, Ireland by David A.T. Harper, Matthew A. Parkes, Zhan Ren-Bin

“…The Raheen Formation at Newtown Head in Waterford Harbour is a small isolated section of Ordovician rocks, dominated by volcanics of the Duncannon Group, but…”
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The Great Ordovician Biodiversification Event (GOBE): The palaeoecological dimension by Servais, Thomas, Owen, Alan W., Harper, David A.T., Kröger, Björn, Munnecke, Axel

“…The ‘Great Ordovician Biodiversification Event’ (GOBE) saw a spectacular increase in marine biodiversity at all taxonomic levels largely within the phyla…”
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Onset of main Phanerozoic marine radiation sparked by emerging Mid Ordovician icehouse by Rasmussen, Christian M. Ø., Ullmann, Clemens V., Jakobsen, Kristian G., Lindskog, Anders, Hansen, Jesper, Hansen, Thomas, Eriksson, Mats E., Dronov, Andrei, Frei, Robert, Korte, Christoph, Nielsen, Arne T., Harper, David A.T.

“…The Great Ordovician Biodiversification Event (GOBE) was the most rapid and sustained increase in marine Phanerozoic biodiversity. What generated this biotic…”
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The Ordovician biodiversification: Setting an agenda for marine life by Harper, David A.T.

“…Profound changes in the biodiversity and biocomplexity of marine life occurred during the early to mid-Ordovician through an interval of some 25 Myr. The…”
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A sulfidic driver for the end-Ordovician mass extinction by Hammarlund, Emma U., Dahl, Tais W., Harper, David A.T., Bond, David P.G., Nielsen, Arne T., Bjerrum, Christian J., Schovsbo, Niels H., Schönlaub, Hans P., Zalasiewicz, Jan A., Canfield, Donald E.

“…The end-Ordovician extinction consisted of two discrete pulses, both linked, in various ways, to glaciation at the South Pole. The first phase, starting just…”
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The Irish Ordovician brachiopod fauna: A taxonomic renaissance by Harper, David A.T

“…Despite its small areal extent, the island of Ireland exposes eight Caledonian tectonic terranes; six of them contain Ordovician brachiopod assemblages. These…”
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The Furongian (late Cambrian) Biodiversity Gap: Real or apparent? by Harper, David A.T., Topper, Timothy P., Cascales-Miñana, Borja, Servais, Thomas, Zhang, Yuan-Dong, Ahlberg, Per

“…Two major, extended diversifications punctuated the evolution of marine life during the Early Palaeozoic. The interregnum, however, between the Cambrian…”
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An extraterrestrial trigger for the mid-Ordovician ice age: Dust from the breakup of the L-chondrite parent body by Schmitz, Birger, Farley, Kenneth A, Goderis, Steven, Heck, Philipp R, Bergström, Stig M, Boschi, Samuele, Claeys, Philippe, Debaille, Vinciane, Dronov, Andrei, van Ginneken, Matthias, Harper, David A T, Iqbal, Faisal, Friberg, Johan, Liao, Shiyong, Martin, Ellinor, Meier, Matthias M M, Peucker-Ehrenbrink, Bernhard, Soens, Bastien, Wieler, Rainer, Terfelt, Fredrik

“…The breakup of the L-chondrite parent body in the asteroid belt 466 million years (Ma) ago still delivers almost a third of all meteorites falling on Earth…”
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The Hirnantian (Late Ordovician) Brachiopod Fauna of the East Baltic: Taxonomy of the Key Species by Hints, Linda, Harper, David A.T.

“…Rhynchonelliformean brachiopods, belonging to 17 genera, are described from the East Baltic Porkuni Regional Stage, correlated with the global Hirnantian…”
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An extremely brief end Ordovician mass extinction linked to abrupt onset of glaciation by Ling, Ming-Xing, Zhan, Ren-Bin, Wang, Guang-Xu, Wang, Yi, Amelin, Yuri, Tang, Peng, Liu, Jian-Bo, Jin, Jisuo, Huang, Bing, Wu, Rong-Chang, Xue, Shuo, Fu, Bin, Bennett, Vickie C., Wei, Xin, Luan, Xiao-Cong, Finnegan, Seth, Harper, David A.T., Rong, Jia-Yu

“…The end Ordovician mass extinction (EOME) was the second most severe biotic crisis in Phanerozoic, and has been widely linked to a major glaciation. However,…”
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The awarding of the first honorary Doctor of Science by the Queen's University in Ireland to William King – a journey of scientific curiosity by Murray, John, Dingsdale, Ann, Nasheuer, Heinz Peter, Harper, David A.T.

“…William King (1809-86) was the founding Professor of Mineralogy and Geology at Queen's College Galway (QCG), one of three regional colleges opened in 1849 to…”
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A cambrian-ordovician boundary section in the Rafnes-Herøya submarine tunnel, Skien-Langesund district, southern Norway by Rønning, Knut J, Bruton, David L, Harper, David A.T, Høyberget, Magne, Maletz, Jörg, Nakrem, Hans Arne

“…Inneholder sammendrag…”
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Trace fossils from the lower Cambrian Kløftelv Formation, Ella Ø, North-East Greenland by Jensen, Sören, Harper, David A.T., Stouge, Svend

“…Relatively large burrows with crudely-developed spreiten, some arranged in a zig-zag pattern, occur in the Kløftelv Formation, Ella Ø, North-East Greenland…”
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The Oldest Brachiopods from the Lower Cambrian of South Australia by Topper, Timothy P., Holmer, Lars E., Skovsted, Christian B., Brock, Glenn A., Balthasar, Uwe, Larsson, Cecilia M., Stolk, Sandra Pettersson, Harper, David A.T.

“…The morphology and organophosphatic shell structure of the paterinate brachiopod Askepasma is documented using new and previously collected specimens from the…”
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Neoichnology and implications for stratigraphy of reworked Upper Oligocene oysters, Antigua, West Indies by Donovan, Stephen K., Harper, David A.T., Portell, Roger W., Renema, Willem

“…The Late Oligocene oyster Hyotissa antiguensis (Brown) is locally common in the Antigua Formation of Hughes Point, eastern Antigua, Lesser Antilles; it was not…”
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