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Registros recuperados: 4
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Mid-Piacenzian Variability of Nordic Seas Surface Circulation Linked to Terrestrial Climatic Change in Norway ArchiMer
Panitz, Sina; De Schepper, Stijn; Salzmann, Ulrich; Bachem, Paul E.; Risebrobakken, Bjorg; Clotten, Caroline; Hocking, Emma P..
During the mid-Piacenzian, Nordic Seas sea surface temperatures (SSTs) were higher than today. While SSTs provide crucial climatic information, on their own they do not allow a reconstruction of potential underlying changes in water masses and currents. A new dinoflagellate cyst record for Ocean Drilling Program (ODP) Site 642 is presented to evaluate changes in northward heat transport via the Norwegian Atlantic Current (NwAC) between 3.320 and 3.137Ma. The record is compared with vegetation and SST reconstructions from Site 642 and SSTs from Iceland Sea ODP Site 907 to identify links between SSTs, ocean currents, and vegetation changes. The dinocyst record shows that strong Atlantic water influence via the NwAC corresponds to higher-than-present SSTs and...
Tipo: Text Palavras-chave: Dinoflagellate cysts; Norwegian Atlantic Current; Arctic Front; Northward heat transport; Obliquity forcing; Late Pliocene.
Ano: 2017 URL: https://archimer.ifremer.fr/doc/00504/61595/65879.pdf
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Small mammals from the Late Pliocene Oosterschelde dredgings Naturalis
Reumer, J.W.F.; Mayhew, D.F.; Veen, J.C. van.
A description is given of the fossil small mammal remains that were found during dredging activities in the Oosterschelde estuary, the Netherlands. The following taxa are encountered in the samples: Mimomys pliocaenicus, Mimomys reidi, Mimomys tigliensis, Mimomys newtoni, Trogontherium sp., Beremendia fissidens, Sorex (Drepanosorex) praearaneaus, and Galemys kormosi. The find of one m1 of Microtus oeconomus is considered to be a contamination. The fauna is of Late Pliocene age, and may appear slightly older than the classic Tegelen fauna. In terms of mammal zonation, we consider the age to be MN17.
Tipo: Article / Letter to the editor Palavras-chave: Late Pliocene; Early Pleistocene; Arvicolidae; Soricidae; Desmaninae; MN16-17; The Netherlands.
Ano: 2005 URL: http://www.repository.naturalis.nl/record/649733
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The porcupine Hystrix brachyura Linnaeus, 1758 in the cave deposits of Longgupo, China Naturalis
Weers, D.J. van.
One mandibular fragment and 10 isolated cheek teeth of a moderately sized porcupine from the well-known site Longgupo in China are described. These are the first fossil finds in China, which may be allocated to Hystrix brachyura. They have a late Pliocene to earliest Pleistocene age, representing the oldest fossil high-crowned porcupine species in China.
Tipo: Article / Letter to the editor Palavras-chave: Hystrix brachyura; Longgupo; China; Late Pliocene; Early Nihewanian.
Ano: 2003 URL: http://www.repository.naturalis.nl/record/505166
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Hystrix zhengi n. so., a brachyodont Porcupine (Rodentia) from early Nihewanian stage, early Pleistocene of China Naturalis
Weeks, D.J. van; Zhaoqun, Zhang.
A lower premolar from the Longgupo Cave, Sichuan, China and three lower premolars from the Liucheng Gigantopithecus Cave, Guangxi, are described as Hystrix zhengi n. sp. The localities Longgupo and Liucheng are of Early Nihewanian age, which correlates with the Late Pliocene (Villanyian) of Europe. The specimens are considered to represent a late occurrence of a brachyodont species, agreeing with the replacement of brachyodont Hystrix species by hypsodont ones in Europe during the Late Pliocene.
Tipo: Article / Letter to the editor Palavras-chave: Hystrix; China; Nihewanian; Early Pleistocene; Late Pliocene; H. zhengi; H. magna; H. kiangsenensis.
Ano: 1999 URL: http://www.repository.naturalis.nl/record/505230
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